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Computer vulnerabilities of Cisco Secure Access Control Server

computer vulnerability bulletin CVE-2015-1798 CVE-2015-1799

NTP.org: two vulnerabilities of Crypto

Synthesis of the vulnerability

An attacker can use two vulnerabilities related to cryptographic features of NTP.org.
Impacted products: Cisco ASR, Cisco ACE, ASA, Cisco Catalyst, IOS by Cisco, IOS XE Cisco, IOS XR Cisco, Cisco IPS, Nexus by Cisco, NX-OS, Prime Infrastructure, Cisco PRSM, Cisco Router, Secure ACS, Debian, Black Diamond, ExtremeXOS, Summit, BIG-IP Hardware, TMOS, Fedora, FreeBSD, HP Switch, HP-UX, AIX, Meinberg NTP Server, NTP.org, openSUSE, Solaris, RHEL, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity: 2/4.
Consequences: data reading, data creation/edition, denial of service on service.
Provenance: internet client.
Number of vulnerabilities in this bulletin: 2.
Creation date: 07/04/2015.
Identifiers: 2779, 2781, bulletinapr2015, c04679309, c05033748, cisco-sa-20150408-ntpd, CVE-2015-1798, CVE-2015-1799, DSA-3223-1, FEDORA-2015-5830, FEDORA-2015-5874, FreeBSD-SA-15:07.ntp, HPSBHF03557, HPSBUX03333, MDVSA-2015:202, ntp4_advisory, ntp_advisory3, openSUSE-SU-2015:0775-1, RHSA-2015:1459-01, RHSA-2015:2231-04, SOL16505, SOL16506, SSA:2015-111-08, SSRT102029, SUSE-SU-2015:1173-1, SUSE-SU-2016:1912-1, SUSE-SU-2016:2094-1, USN-2567-1, VIGILANCE-VUL-16548, VN-2015-006-NTP, VU#374268.

Description of the vulnerability

Several vulnerabilities were announced in NTP.org.

An attacker can use a message without MAC (Message Authentication Code), in order to bypass the authentication using a symmetric key. [severity:2/4; 2779, CVE-2015-1798]

An attacker can spoof a packet between two servers paired with a symmetric association, in order to trigger a denial of service. [severity:2/4; 2781, CVE-2015-1799]
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computer vulnerability note CVE-2015-0286 CVE-2015-0287 CVE-2015-0289

OpenSSL 0.9/1.0.0/1.0.1: five vulnerabilities

Synthesis of the vulnerability

An attacker can use several vulnerabilities of OpenSSL 0.9/1.0.0/1.0.1.
Impacted products: Arkoon FAST360, ArubaOS, ProxyAV, ProxySG par Blue Coat, SGOS by Blue Coat, FabricOS, Brocade Network Advisor, Cisco ASR, AnyConnect VPN Client, Cisco ACE, ASA, AsyncOS, Cisco CSS, Cisco ESA, IOS XE Cisco, Cisco IPS, IronPort Email, IronPort Web, Nexus by Cisco, NX-OS, Prime Infrastructure, Cisco PRSM, Cisco Router, Secure ACS, Cisco CUCM, Cisco Unified CCX, Cisco IP Phone, Cisco MeetingPlace, Cisco Wireless IP Phone, WebNS, Cisco WSA, Debian, BIG-IP Hardware, TMOS, Fedora, FortiAnalyzer, FortiAnalyzer Virtual Appliance, FortiClient, FortiManager, FortiManager Virtual Appliance, FreeBSD, hMailServer, HP-UX, AIX, IRAD, Tivoli Storage Manager, Tivoli Workload Scheduler, WebSphere MQ, Juniper J-Series, Junos OS, Junos Space, Junos Space Network Management Platform, NSM Central Manager, NSMXpress, Juniper SBR, McAfee Email Gateway, ePO, McAfee NTBA, McAfee NGFW, VirusScan, McAfee Web Gateway, Data ONTAP, NetBSD, NetScreen Firewall, ScreenOS, Nodejs Core, OpenBSD, OpenSSL, openSUSE, openSUSE Leap, Oracle Communications, Solaris, pfSense, Puppet, RHEL, JBoss EAP by Red Hat, Base SAS Software, SAS SAS/CONNECT, Slackware, Splunk Enterprise, Stonesoft NGFW/VPN, SUSE Linux Enterprise Desktop, SLES, Nessus, Ubuntu, Unix (platform) ~ not comprehensive, WinSCP.
Severity: 3/4.
Consequences: user access/rights, denial of service on service.
Provenance: internet client.
Number of vulnerabilities in this bulletin: 5.
Creation date: 19/03/2015.
Identifiers: 1701334, 1902519, 1960491, 1964410, 1975397, 55767, 7043086, 9010031, ARUBA-PSA-2015-007, bulletinapr2015, c04679334, CERTFR-2015-AVI-117, CERTFR-2015-AVI-146, CERTFR-2015-AVI-169, CERTFR-2015-AVI-177, CERTFR-2015-AVI-259, CERTFR-2016-AVI-303, cisco-sa-20150320-openssl, cisco-sa-20150408-ntpd, cpuapr2017, cpuoct2016, cpuoct2017, CTX216642, CVE-2015-0286, CVE-2015-0287, CVE-2015-0289, CVE-2015-0292, CVE-2015-0293, DSA-3197-1, DSA-3197-2, FEDORA-2015-4300, FEDORA-2015-4303, FG-IR-15-008, FreeBSD-SA-15:06.openssl, HPSBUX03334, JSA10680, MDVSA-2015:062, MDVSA-2015:063, NetBSD-SA2015-007, NTAP-20150323-0002, openSUSE-SU-2015:0554-1, openSUSE-SU-2015:1277-1, openSUSE-SU-2015:2243-1, openSUSE-SU-2016:0638-1, openSUSE-SU-2016:0640-1, RHSA-2015:0715-01, RHSA-2015:0716-01, RHSA-2015:0752-01, RHSA-2015:0800-01, RHSA-2016:0372-01, RHSA-2016:0445-01, RHSA-2016:0446-01, RHSA-2016:0490-01, SA40001, SA92, SB10110, SOL16301, SOL16302, SOL16317, SOL16319, SOL16320, SOL16321, SOL16323, SPL-98351, SPL-98531, SSA:2015-111-09, SSRT102000, SUSE-SU-2015:0541-1, SUSE-SU-2015:0553-1, SUSE-SU-2015:0553-2, SUSE-SU-2015:0578-1, SUSE-SU-2016:0678-1, TNS-2015-04, USN-2537-1, VIGILANCE-VUL-16429.

Description of the vulnerability

Several vulnerabilities were announced in OpenSSL 0.9/1.0.0/1.0.1.

An attacker can force a read at an invalid address in ASN1_TYPE_cmp, in order to trigger a denial of service. [severity:2/4; CVE-2015-0286]

An attacker can generate a memory corruption in ASN.1, in order to trigger a denial of service, and possibly to execute code. [severity:3/4; CVE-2015-0287]

An attacker can force a NULL pointer to be dereferenced in PKCS#7, in order to trigger a denial of service. [severity:2/4; CVE-2015-0289]

An attacker can generate a memory corruption with base64 data, in order to trigger a denial of service, and possibly to execute code. [severity:3/4; CVE-2015-0292]

An attacker can generate an OPENSSL_assert, in order to trigger a denial of service. [severity:2/4; CVE-2015-0293]
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vulnerability announce CVE-2015-0288

OpenSSL: NULL pointer dereference via X509_to_X509_REQ

Synthesis of the vulnerability

An attacker can force a NULL pointer to be dereferenced in X509_to_X509_REQ() of OpenSSL, in order to trigger a denial of service.
Impacted products: Arkoon FAST360, ProxySG par Blue Coat, SGOS by Blue Coat, FabricOS, Brocade Network Advisor, Cisco ASR, AnyConnect VPN Client, Cisco ACE, ASA, AsyncOS, Cisco CSS, Cisco ESA, IOS XE Cisco, Cisco IPS, IronPort Email, IronPort Web, Nexus by Cisco, NX-OS, Prime Infrastructure, Cisco PRSM, Cisco Router, Secure ACS, Cisco CUCM, Cisco Unified CCX, Cisco IP Phone, Cisco MeetingPlace, Cisco Wireless IP Phone, WebNS, Cisco WSA, Debian, BIG-IP Hardware, TMOS, Fedora, FreeBSD, hMailServer, HP-UX, AIX, IRAD, Tivoli Workload Scheduler, Juniper J-Series, Junos OS, Junos Space, Junos Space Network Management Platform, NSM Central Manager, NSMXpress, Juniper SBR, McAfee Email Gateway, ePO, McAfee NTBA, McAfee NGFW, VirusScan, McAfee Web Gateway, Data ONTAP, NetBSD, NetScreen Firewall, ScreenOS, OpenBSD, OpenSSL, openSUSE, openSUSE Leap, Oracle Communications, Solaris, pfSense, RHEL, Base SAS Software, SAS SAS/CONNECT, Slackware, Splunk Enterprise, Stonesoft NGFW/VPN, SUSE Linux Enterprise Desktop, SLES, Nessus, Ubuntu, Unix (platform) ~ not comprehensive, WinSCP.
Severity: 2/4.
Consequences: denial of service on service, denial of service on client.
Provenance: document.
Creation date: 09/03/2015.
Identifiers: 1701334, 1964410, 55767, 9010031, c04679334, CERTFR-2015-AVI-089, CERTFR-2015-AVI-117, CERTFR-2015-AVI-146, CERTFR-2015-AVI-177, CERTFR-2015-AVI-259, CERTFR-2016-AVI-303, cisco-sa-20150320-openssl, cisco-sa-20150408-ntpd, cpuoct2017, CTX216642, CVE-2015-0288, DSA-3197-1, DSA-3197-2, FEDORA-2015-4300, FEDORA-2015-4303, FEDORA-2015-6855, FreeBSD-SA-15:06.openssl, HPSBUX03334, JSA10680, MDVSA-2015:062, MDVSA-2015:063, NetBSD-SA2015-007, NTAP-20150323-0002, openSUSE-SU-2015:0554-1, openSUSE-SU-2015:1277-1, openSUSE-SU-2015:2243-1, openSUSE-SU-2016:0640-1, RHSA-2015:0715-01, RHSA-2015:0716-01, RHSA-2015:0752-01, RHSA-2015:0800-01, SA40001, SB10110, SOL16301, SOL16302, SOL16317, SOL16319, SOL16320, SOL16321, SOL16323, SPL-98351, SPL-98531, SSA:2015-111-09, SSRT102000, SUSE-SU-2015:0541-1, SUSE-SU-2015:0553-1, SUSE-SU-2015:0553-2, SUSE-SU-2015:0578-1, TNS-2015-04, USN-2537-1, VIGILANCE-VUL-16342.

Description of the vulnerability

The OpenSSL product processes X.509 certificates.

However, the X509_to_X509_REQ() function does not check if a pointer is NULL, before using it.

An attacker can therefore force a NULL pointer to be dereferenced in X509_to_X509_REQ() of OpenSSL, in order to trigger a denial of service.
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vulnerability alert CVE-2015-0209

OpenSSL: use after free via d2i_ECPrivateKey

Synthesis of the vulnerability

An attacker can force the usage of a freed memory area in d2i_ECPrivateKey of OpenSSL, in order to trigger a denial of service, and possibly to execute code.
Impacted products: ArubaOS, ProxySG par Blue Coat, SGOS by Blue Coat, FabricOS, Brocade Network Advisor, Cisco ASR, AnyConnect VPN Client, Cisco ACE, ASA, AsyncOS, Cisco CSS, Cisco ESA, IOS XE Cisco, Cisco IPS, IronPort Email, IronPort Web, Nexus by Cisco, NX-OS, Prime Infrastructure, Cisco PRSM, Cisco Router, Secure ACS, Cisco CUCM, Cisco Unified CCX, Cisco IP Phone, Cisco MeetingPlace, Cisco Wireless IP Phone, WebNS, Cisco WSA, Debian, BIG-IP Hardware, TMOS, Fedora, FreeBSD, hMailServer, HP-UX, AIX, IRAD, Security Directory Server, Tivoli Directory Server, Tivoli Workload Scheduler, WebSphere MQ, Juniper J-Series, Junos OS, Junos Pulse, Junos Space, Junos Space Network Management Platform, Juniper Network Connect, NSM Central Manager, NSMXpress, Juniper SBR, Data ONTAP, NetBSD, NetScreen Firewall, ScreenOS, OpenBSD, OpenSSL, openSUSE, openSUSE Leap, Oracle Communications, Solaris, pfSense, RHEL, Base SAS Software, SAS SAS/CONNECT, Slackware, Splunk Enterprise, SUSE Linux Enterprise Desktop, SLES, Nessus, Ubuntu, Unix (platform) ~ not comprehensive, WinSCP.
Severity: 3/4.
Consequences: user access/rights, denial of service on service, denial of service on client.
Provenance: document.
Creation date: 09/03/2015.
Identifiers: 1698703, 1701334, 1902519, 1960491, 1964410, 55767, 7043086, 9010031, ARUBA-PSA-2015-007, c04679334, CERTFR-2015-AVI-089, CERTFR-2015-AVI-117, CERTFR-2015-AVI-146, CERTFR-2015-AVI-177, CERTFR-2015-AVI-259, CERTFR-2016-AVI-303, cisco-sa-20150320-openssl, cisco-sa-20150408-ntpd, cpuoct2017, CTX216642, CVE-2015-0209, DSA-3197-1, DSA-3197-2, FEDORA-2015-10047, FEDORA-2015-10108, FEDORA-2015-4300, FEDORA-2015-4303, FEDORA-2015-6855, FreeBSD-SA-15:06.openssl, HPSBUX03334, JSA10680, MDVSA-2015:062, MDVSA-2015:063, NetBSD-SA2015-007, NTAP-20150323-0002, openSUSE-SU-2015:0554-1, openSUSE-SU-2015:1277-1, openSUSE-SU-2016:0640-1, RHSA-2015:0715-01, RHSA-2015:0716-01, RHSA-2015:0752-01, RHSA-2016:1087-01, RHSA-2016:1088-01, RHSA-2016:1089-01, SA40001, SOL16301, SOL16302, SOL16317, SOL16319, SOL16320, SOL16321, SOL16323, SPL-98351, SPL-98531, SSA:2015-111-09, SSRT102000, SUSE-SU-2015:0541-1, SUSE-SU-2015:0553-1, SUSE-SU-2015:0553-2, SUSE-SU-2015:0578-1, TNS-2015-04, TSB16661, USN-2537-1, VIGILANCE-VUL-16341.

Description of the vulnerability

The OpenSSL product implements the Elliptic Curves algorithm.

However, the d2i_ECPrivateKey() function frees a memory area before reusing it.

An attacker can therefore force the usage of a freed memory area in d2i_ECPrivateKey() of OpenSSL, in order to trigger a denial of service, and possibly to execute code.
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vulnerability note CVE-2014-2130

Cisco Secure ACS: privilege escalation via Tomcat

Synthesis of the vulnerability

An authenticated attacker can use the Tomcat administration interface of Cisco Secure ACS, in order to escalate his privileges.
Impacted products: Secure ACS.
Severity: 2/4.
Consequences: administrator access/rights, privileged access/rights.
Provenance: user account.
Creation date: 05/03/2015.
Identifiers: CSCuj83189, CVE-2014-2130, VIGILANCE-VUL-16324.

Description of the vulnerability

The Cisco Secure ACS product offers a web service.

However, an authenticated user can access to the Tomcat administration interface.

An authenticated attacker can therefore use the Tomcat administration interface of Cisco Secure ACS, in order to escalate his privileges.
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vulnerability bulletin CVE-2015-0580

Cisco Secure Access Control System: SQL injection

Synthesis of the vulnerability

An attacker can use a SQL injection of Cisco Secure Access Control System, in order to read or alter data.
Impacted products: Secure ACS.
Severity: 2/4.
Consequences: data reading, data creation/edition, data deletion.
Provenance: internet client.
Creation date: 11/02/2015.
Identifiers: cisco-sa-20150211-csacs, CSCuq79027, CVE-2015-0580, VIGILANCE-VUL-16173.

Description of the vulnerability

The Cisco Secure Access Control System product uses a database.

However, user's data are directly inserted in a SQL query.

An attacker can therefore use a SQL injection of Cisco Secure Access Control System, in order to read or alter data.
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computer vulnerability bulletin CVE-2014-8028

Cisco Secure ACS: Cross Site Scripting

Synthesis of the vulnerability

An attacker can trigger a Cross Site Scripting of Cisco Secure ACS, in order to execute JavaScript code in the context of the web site.
Impacted products: Secure ACS.
Severity: 2/4.
Consequences: client access/rights.
Provenance: document.
Creation date: 09/01/2015.
Identifiers: CSCuq79019, CVE-2014-8028, VIGILANCE-VUL-15938.

Description of the vulnerability

The Cisco Secure ACS product offers a web service.

However, it does not filter received data before inserting them in generated HTML documents.

An attacker can therefore trigger a Cross Site Scripting of Cisco Secure ACS, in order to execute JavaScript code in the context of the web site.
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computer vulnerability announce CVE-2014-8027

Cisco Secure ACS: privilege escalation

Synthesis of the vulnerability

An authenticated attacker can manipulate Network Identity Groups of Cisco Secure ACS, in order to escalate his privileges.
Impacted products: Secure ACS.
Severity: 2/4.
Consequences: administrator access/rights, privileged access/rights.
Provenance: user account.
Creation date: 09/01/2015.
Identifiers: CSCuq79034, CVE-2014-8027, VIGILANCE-VUL-15937.

Description of the vulnerability

The Cisco Secure ACS product offers a web service.

Only Network Device Administrator are allowed to manipulate Network Identity Groups. However, an error of RBAC (Role Based Access Control) allows all authenticated users on the web service to perform these operations.

An authenticated attacker can therefore manipulate Network Identity Groups of Cisco Secure ACS, in order to escalate his privileges.
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computer vulnerability alert CVE-2014-8029

Cisco Secure ACS: open redirect

Synthesis of the vulnerability

An attacker can deceive the user of Cisco Secure ACS, in order to redirect him to a malicious site.
Impacted products: Secure ACS.
Severity: 1/4.
Consequences: user access/rights, data reading.
Provenance: internet client.
Creation date: 09/01/2015.
Identifiers: CSCuq74150, CVE-2014-8029, VIGILANCE-VUL-15936.

Description of the vulnerability

The Cisco Secure ACS product offers a web service.

However, the web service accepts to redirect the victim with no warning, to an external site indicated by the attacker.

An attacker can therefore deceive the user of Cisco Secure ACS, in order to redirect him to a malicious site.
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vulnerability alert CVE-2014-7169

bash: code execution via Function Variable

Synthesis of the vulnerability

An attacker can define a special environment variable, which is transmitted (via CGI or OpenSSH for example) to bash, in order to execute code.
Impacted products: Arkoon FAST360, GAiA, CheckPoint IP Appliance, IPSO, SecurePlatform, CheckPoint Security Appliance, CheckPoint Smart-1, CheckPoint VSX-1, Cisco ASR, Cisco ACE, ASA, IOS XE Cisco, Cisco IPS, IronPort Encryption, Nexus by Cisco, NX-OS, Secure ACS, Cisco CUCM, Cisco Unified CCX, XenServer, Clearswift Email Gateway, Clearswift Web Gateway, Debian, Avamar, EMC CAVA, EMC CEE, EMC CEPA, Celerra FAST, Celerra NS, Celerra NX4, EMC CMDCE, Connectrix Switch, NetWorker, PowerPath, Unisphere EMC, VNX Operating Environment, VNX Series, Black Diamond, ExtremeXOS, Summit, BIG-IP Hardware, TMOS, Fedora, FortiAnalyzer, FortiAnalyzer Virtual Appliance, FortiManager, FortiManager Virtual Appliance, HP Operations, AIX, IVE OS, Junos Space, MAG Series by Juniper, NSM Central Manager, NSMXpress, Juniper SA, Juniper UAC, McAfee Email and Web Security, McAfee Email Gateway, McAfee MOVE AntiVirus, McAfee NSP, McAfee NGFW, McAfee Web Gateway, openSUSE, Solaris, pfSense, RealPresence Collaboration Server, RealPresence Distributed Media Application, Polycom VBP, RHEL, RSA Authentication Manager, ROX, RuggedSwitch, Slackware, Stonesoft NGFW/VPN, SUSE Linux Enterprise Desktop, SLES, Ubuntu, Unix (platform) ~ not comprehensive, ESX, vCenter Server, VMware vSphere.
Severity: 3/4.
Consequences: administrator access/rights, privileged access/rights, user access/rights.
Provenance: internet client.
Number of vulnerabilities in this bulletin: 2.
Creation date: 25/09/2014.
Identifiers: 193355, 193866, 194029, 194064, 194669, 480931, c04475942, c04479492, CERTFR-2014-AVI-403, CERTFR-2014-AVI-415, CERTFR-2014-AVI-480, cisco-sa-20140926-bash, CTX200217, CTX200223, CVE-2014-3659-REJECT, CVE-2014-7169, DSA-3035-1, ESA-2014-111, ESA-2014-123, ESA-2014-124, ESA-2014-125, ESA-2014-126, ESA-2014-127, ESA-2014-128, ESA-2014-133, ESA-2014-136, ESA-2014-150, ESA-2014-151, ESA-2014-152, ESA-2014-162, FEDORA-2014-11514, FEDORA-2014-11527, FEDORA-2014-12202, FG-IR-14-030, HPSBGN03138, HPSBMU03144, JSA10648, JSA10661, MDVSA-2014:190, MDVSA-2015:164, openSUSE-SU-2014:1229-1, openSUSE-SU-2014:1242-1, openSUSE-SU-2014:1248-1, openSUSE-SU-2014:1308-1, openSUSE-SU-2014:1310-1, pfSense-SA-14_18.packages, RHSA-2014:1306-01, RHSA-2014:1311-01, RHSA-2014:1312-01, RHSA-2014:1354-01, RHSA-2014:1865-01, SB10085, sk102673, SOL15629, SSA:2014-268-01, SSA:2014-268-02, SSA-860967, SUSE-SU-2014:1247-1, SUSE-SU-2014:1247-2, T1021272, USN-2363-1, USN-2363-2, VIGILANCE-VUL-15401, VMSA-2014-0010, VMSA-2014-0010.10, VMSA-2014-0010.11, VMSA-2014-0010.12, VMSA-2014-0010.13, VMSA-2014-0010.2, VMSA-2014-0010.4, VMSA-2014-0010.7, VMSA-2014-0010.8, VMSA-2014-0010.9, VN-2014-002.

Description of the vulnerability

The bulletin VIGILANCE-VUL-15399 describes a vulnerability of bash.

However, the offered patch (VIGILANCE-SOL-36695) is incomplete. An variant of the initial attack can thus still be used to execute code or to create a file.

In this case, the code is run when the variable is parsed (which is not necessarily an environment variable), and not when the shell starts. The impact may thus be lower, but this was not confirmed.

An attacker can therefore define a special environment variable, which is transmitted (via CGI or OpenSSH for example) to bash, in order to execute code.
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