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computer vulnerability announce CVE-2014-9293 CVE-2014-9294 CVE-2014-9295

NTP.org: multiple vulnerabilities

Synthesis of the vulnerability

An attacker can use several vulnerabilities of NTP.org.
Impacted products: GAiA, CheckPoint IP Appliance, IPSO, CheckPoint Power-1 Appliance, CheckPoint Security Appliance, CheckPoint Smart-1, CheckPoint VSX-1, IOS XR Cisco, Nexus by Cisco, NX-OS, Cisco CUCM, Cisco Unified CCX, Clearswift Email Gateway, Debian, Black Diamond, ExtremeXOS, Summit, BIG-IP Hardware, TMOS, Fedora, FreeBSD, HP Switch, HP-UX, AIX, Juniper J-Series, Junos OS, Junos Space, NSMXpress, Meinberg NTP Server, NetBSD, NTP.org, openSUSE, Oracle Communications, Solaris, RHEL, ROX, RuggedSwitch, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this bulletin: 3/4.
Consequences of an intrusion: privileged access/rights, user access/rights, data reading, denial of service on service.
Hacker's origin: intranet client.
Number of vulnerabilities in this bulletin: 6.
Creation date: 19/12/2014.
Revision date: 17/02/2016.
Références of this threat: c04554677, c04574882, c04916783, CERTFR-2014-AVI-537, CERTFR-2014-AVI-538, CERTFR-2016-AVI-148, cisco-sa-20141222-ntpd, cpuoct2016, CVE-2014-9293, CVE-2014-9294, CVE-2014-9295, CVE-2014-9296, DSA-3108-1, FEDORA-2014-17361, FEDORA-2014-17367, FEDORA-2014-17395, FreeBSD-SA-14:31.ntp, HPSBHF03432, HPSBPV03266, HPSBUX03240, JSA10663, MBGSA-1405, MDVSA-2015:003, MDVSA-2015:140, NetBSD-SA2015-003, openSUSE-SU-2014:1670-1, openSUSE-SU-2014:1680-1, RHSA-2014:2024-01, RHSA-2014:2025-01, RHSA-2015:0104-01, sk103825, SOL15933, SOL15934, SOL15935, SOL15936, SSA:2014-356-01, SSA-671683, SSRT101872, SUSE-SU-2014:1686-1, SUSE-SU-2014:1686-2, SUSE-SU-2014:1686-3, SUSE-SU-2014:1690-1, SUSE-SU-2015:0259-1, SUSE-SU-2015:0259-2, SUSE-SU-2015:0259-3, SUSE-SU-2015:0274-1, SUSE-SU-2015:0322-1, USN-2449-1, VIGILANCE-VUL-15867, VN-2014-005, VU#852879.

Description of the vulnerability

Several vulnerabilities were announced in NTP.org.

An attacker can predict the default key generated by config_auth(), in order to bypass the authentication. [severity:2/4; CVE-2014-9293]

An attacker can predict the key generated by ntp-keygen, in order to decrypt sessions. [severity:2/4; CVE-2014-9294]

An attacker can generate a buffer overflow in crypto_recv(), in order to trigger a denial of service, and possibly to execute code. [severity:3/4; CVE-2014-9295]

An attacker can generate a buffer overflow in ctl_putdata(), in order to trigger a denial of service, and possibly to execute code. [severity:3/4; CVE-2014-9295]

An attacker can generate a buffer overflow in configure(), in order to trigger a denial of service, and possibly to execute code. [severity:3/4; CVE-2014-9295]

An attacker can trigger an error in receive(), which is not detected. [severity:1/4; CVE-2014-9296]
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