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Computer vulnerabilities of Stormshield Network Security

threat announce CVE-2017-2629

curl: Man-in-the-Middle with SSL_VERIFYSTATUS

Synthesis of the vulnerability

An attacker can act as a Man-in-the-Middle on curl with CURLOPT_SSL_VERIFYSTATUS, in order to read or write data in the session.
Severity: 2/4.
Creation date: 22/02/2017.
Identifiers: APPLE-SA-2017-07-19-2, CVE-2017-2629, HT207922, STORM-2019-002, VIGILANCE-VUL-21925.
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Description of the vulnerability

The curl product uses the TLS protocol, in order to create secure sessions.

However, the X.509 certificate and the service identity are not correctly checked during the usage of CURLOPT_SSL_VERIFYSTATUS (OCSP Stapling, TLS Certificate Status Request).

An attacker can therefore act as a Man-in-the-Middle on curl with CURLOPT_SSL_VERIFYSTATUS, in order to read or write data in the session.
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computer threat note CVE-2016-3189

bzip2: use after free via bzip2recover

Synthesis of the vulnerability

An attacker can force the usage of a freed memory area via bzip2recover of bzip2, in order to trigger a denial of service, and possibly to run code.
Severity: 2/4.
Creation date: 03/01/2017.
Identifiers: bulletinjul2016, CVE-2016-3189, DLA-1833-1, DSA-2019-148, DSA-2019-149, FEDORA-2016-e7b46c92ae, FEDORA-2016-fd44637912, FreeBSD-SA-19:18.bzip2, openSUSE-SU-2019:1398-1, openSUSE-SU-2019:1435-1, SSA:2019-195-01, SUSE-SU-2019:1206-2, SUSE-SU-2019:14122-1, SUSE-SU-2019:1955-1, USN-4038-1, USN-4038-2, USN-4038-3, USN-4038-4, VIGILANCE-VUL-21500.
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Description of the vulnerability

An attacker can force the usage of a freed memory area via bzip2recover of bzip2, in order to trigger a denial of service, and possibly to run code.
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vulnerability bulletin CVE-2016-9586 CVE-2016-9952 CVE-2016-9953

cURL: three vulnerabilities

Synthesis of the vulnerability

An attacker can use several vulnerabilities of cURL.
Severity: 2/4.
Number of vulnerabilities in this bulletin: 3.
Creation date: 21/12/2016.
Identifiers: APPLE-SA-2017-07-19-2, cpuoct2018, CVE-2016-9586, CVE-2016-9952, CVE-2016-9953, DLA-1568-1, DLA-767-1, DSA-2019-114, FEDORA-2016-86d2b5aefb, FEDORA-2016-edbb33ab2e, HT207615, HT207922, JSA10874, openSUSE-SU-2017:1105-1, RHSA-2018:3558-01, STORM-2019-002, USN-3441-1, USN-3441-2, VIGILANCE-VUL-21435.
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Description of the vulnerability

Several vulnerabilities were announced in cURL.

An attacker can generate a buffer overflow via float numbers, in order to trigger a denial of service, and possibly to run code. [severity:2/4; CVE-2016-9586]

On WinCE platforms, an attacker can tamper with X.501 names in the X.509 certificate validation process, in order to spoof a server. [severity:2/4; CVE-2016-9952]

On WinCE platforms, an attacker can raise a read only buffer overflow in the X.509 certificate validation process, in order to read the server process memory or crash it. [severity:2/4; CVE-2016-9953]
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threat alert CVE-2016-8615 CVE-2016-8616 CVE-2016-8617

Curl: multiple vulnerabilities

Synthesis of the vulnerability

An attacker can use several vulnerabilities of Curl.
Severity: 3/4.
Number of vulnerabilities in this bulletin: 11.
Creation date: 02/11/2016.
Identifiers: 2001818, 2009692, bulletinapr2018, CERTFR-2019-AVI-325, cpuoct2018, CVE-2016-8615, CVE-2016-8616, CVE-2016-8617, CVE-2016-8618, CVE-2016-8619, CVE-2016-8620, CVE-2016-8621, CVE-2016-8622, CVE-2016-8623, CVE-2016-8624, CVE-2016-8625, DLA-711-1, DSA-2019-114, DSA-3705-1, FEDORA-2016-e8e8cdb4ed, HT207423, JSA10874, JSA10951, K01006862, K10196624, K26899353, K44503763, K46123931, K52828640, MIGR-5099570, openSUSE-SU-2016:2768-1, RHSA-2018:3558-01, SSA:2016-308-01, STORM-2019-002, SUSE-SU-2016:2699-1, SUSE-SU-2016:2714-1, USN-3123-1, VIGILANCE-VUL-20989.
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Description of the vulnerability

Several vulnerabilities were announced in Curl.

An attacker can bypass access restrictions via Cookie Injection, in order to read or alter data. [severity:2/4; CVE-2016-8615]

An attacker can bypass security features via Case Insensitive Password Comparison, in order to escalate his privileges. [severity:2/4; CVE-2016-8616]

An attacker can generate a memory corruption via Multiplication, in order to trigger a denial of service, and possibly to run code. [severity:3/4; CVE-2016-8617]

An attacker can force the usage of a freed memory area via curl_maprintf(), in order to trigger a denial of service, and possibly to run code. [severity:3/4; CVE-2016-8618]

An attacker can force the usage of a freed memory area via krb5, in order to trigger a denial of service, and possibly to run code. [severity:3/4; CVE-2016-8619]

An attacker can generate a buffer overflow via Glob Parser, in order to trigger a denial of service, and possibly to run code. [severity:3/4; CVE-2016-8620]

An attacker can force a read at an invalid address via Curl_getdate, in order to trigger a denial of service, or to obtain sensitive information. [severity:2/4; CVE-2016-8621]

An attacker can generate an integer overflow via URL Unescape, in order to trigger a denial of service, and possibly to run code. [severity:3/4; CVE-2016-8622]

An attacker can force the usage of a freed memory area via Shared Cookies, in order to trigger a denial of service, and possibly to run code. [severity:3/4; CVE-2016-8623]

An attacker can bypass security features via URL Parsing, in order to obtain sensitive information. [severity:2/4; CVE-2016-8624]

An attacker can bypass security features via IDNA 2003, in order to obtain sensitive information. [severity:2/4; CVE-2016-8625]
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cybersecurity vulnerability CVE-2016-5195

Linux kernel: privilege escalation via Copy On Write, Dirty COW

Synthesis of the vulnerability

A local attacker can generate a memory corruption via a Copy On Write on the Linux kernel, in order to trigger a denial of service, and possibly to run code.
Severity: 2/4.
Creation date: 20/10/2016.
Identifiers: 1384344, 494072, c05341463, CERTFR-2016-AVI-353, CERTFR-2016-AVI-356, CERTFR-2016-AVI-357, CERTFR-2016-AVI-370, CERTFR-2017-AVI-001, CERTFR-2017-AVI-012, CERTFR-2017-AVI-022, cisco-sa-20161026-linux, cpujul2018, CVE-2016-5195, Dirty COW, DLA-670-1, DSA-3696-1, ESA-2016-170, FEDORA-2016-c3558808cd, FEDORA-2016-db4b75b352, HPESBGN03742, HPSBHF03682, JSA10770, JSA10774, K10558632, openSUSE-SU-2016:2583-1, openSUSE-SU-2016:2584-1, openSUSE-SU-2016:2625-1, openSUSE-SU-2016:2649-1, PAN-SA-2017-0003, PAN-SA-2017-0013, PAN-SA-2017-0014, PAN-SA-2017-0016, RHSA-2016:2098-01, RHSA-2016:2105-01, RHSA-2016:2106-01, RHSA-2016:2110-01, RHSA-2016:2118-01, RHSA-2016:2120-01, RHSA-2016:2124-01, RHSA-2016:2126-01, RHSA-2016:2127-01, RHSA-2016:2128-01, RHSA-2016:2132-01, RHSA-2016:2133-01, RHSA-2018:0180-01, SB10177, SB10178, SSA:2016-305-01, STORM-2016-006, SUSE-SU-2016:2585-1, SUSE-SU-2016:2592-1, SUSE-SU-2016:2593-1, SUSE-SU-2016:2596-1, SUSE-SU-2016:2614-1, SUSE-SU-2016:3069-1, SUSE-SU-2016:3304-1, USN-3104-1, USN-3104-2, USN-3105-1, USN-3105-2, USN-3106-1, USN-3106-2, USN-3106-3, USN-3106-4, USN-3107-1, USN-3107-2, VIGILANCE-VUL-20923, VU#243144.
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Description of the vulnerability

The Linux kernel supports the Copy On Write operation, which is used to copy memory only when it is modified.

However, a local attacker can manipulate the memory, so the COW operation writes in Read Only memory.

A local attacker can therefore generate a memory corruption via a Copy On Write on the Linux kernel, in order to trigger a denial of service, and possibly to run code.
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cybersecurity announce CVE-2016-6302 CVE-2016-6303 CVE-2016-6304

OpenSSL: seven vulnerabilities

Synthesis of the vulnerability

An attacker can use several vulnerabilities of OpenSSL.
Severity: 3/4.
Number of vulnerabilities in this bulletin: 7.
Creation date: 22/09/2016.
Identifiers: 1991866, 1991867, 1991870, 1991871, 1991875, 1991876, 1991878, 1991880, 1991882, 1991884, 1991885, 1991886, 1991887, 1991889, 1991892, 1991894, 1991896, 1991902, 1991903, 1991951, 1991955, 1991959, 1991960, 1991961, 1992681, 1993777, 1996096, 1999395, 1999421, 1999474, 1999478, 1999479, 1999488, 1999532, 2000095, 2000209, 2000544, 2002870, 2003480, 2003620, 2003673, 2008828, bulletinapr2017, bulletinjul2016, bulletinoct2016, CERTFR-2016-AVI-320, CERTFR-2016-AVI-333, cisco-sa-20160927-openssl, cpuapr2017, cpuapr2018, cpujan2017, cpujan2018, cpujul2017, cpujul2019, cpuoct2017, CVE-2016-6302, CVE-2016-6303, CVE-2016-6304, CVE-2016-6305, CVE-2016-6306, CVE-2016-6307, CVE-2016-6308, DLA-637-1, DSA-3673-1, DSA-3673-2, FEDORA-2016-97454404fe, FEDORA-2016-a555159613, FG-IR-16-047, FG-IR-16-048, FG-IR-17-127, FreeBSD-SA-16:26.openssl, HPESBHF03856, HT207423, JSA10759, openSUSE-SU-2016:2391-1, openSUSE-SU-2016:2407-1, openSUSE-SU-2016:2496-1, openSUSE-SU-2016:2537-1, openSUSE-SU-2018:0458-1, RHSA-2016:1940-01, RHSA-2016:2802-01, RHSA-2017:1548-01, RHSA-2017:1549-01, RHSA-2017:1550-01, RHSA-2017:1551-01, RHSA-2017:1552-01, RHSA-2017:1658-01, RHSA-2017:1659-01, RHSA-2017:2493-01, RHSA-2017:2494-01, SA132, SA40312, SB10171, SB10215, SOL54211024, SOL90492697, SP-CAAAPUE, SPL-129207, SSA:2016-266-01, STORM-2016-005, SUSE-SU-2016:2387-1, SUSE-SU-2016:2394-1, SUSE-SU-2016:2458-1, SUSE-SU-2016:2468-1, SUSE-SU-2016:2469-1, SUSE-SU-2016:2470-1, SUSE-SU-2016:2470-2, TNS-2016-16, USN-3087-1, USN-3087-2, VIGILANCE-VUL-20678.
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Description of the vulnerability

Several vulnerabilities were announced in OpenSSL.

An attacker can create a memory over consumption via an OCSP request, in order to trigger a denial of service. [severity:3/4; CVE-2016-6304]

An attacker can make a process block itself via SSL_peek, in order to trigger a denial of service. [severity:2/4; CVE-2016-6305]

An attacker can generate a buffer overflow via MDC2_Update, in order to trigger a denial of service, and possibly to run code. [severity:1/4; CVE-2016-6303]

An attacker can generate a read only buffer overflow, in order to trigger a denial of service. [severity:1/4; CVE-2016-6302]

An attacker can generate a read only buffer overflow via the parsing of an X.509 certificate, in order to trigger a denial of service. [severity:1/4; CVE-2016-6306]

An attacker can make the server allocates a large amount of memory to process TLS packets. [severity:1/4; CVE-2016-6307]

An attacker can make the server allocates a large amount of memory to process DTLS packets. [severity:1/4; CVE-2016-6308]
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weakness bulletin CVE-2016-7167

libcurl: integer overflow via curl_escape

Synthesis of the vulnerability

An attacker can generate an integer overflow via functions of the curl_escape() family of libcurl, in order to trigger a denial of service, and possibly to run code.
Severity: 2/4.
Creation date: 14/09/2016.
Identifiers: bulletinoct2016, cpuoct2018, CVE-2016-7167, DLA-1568-1, DLA-625-1, DSA-2019-114, FEDORA-2016-7a2ed52d41, FEDORA-2016-80f4f71eff, HT207423, JSA10874, openSUSE-SU-2016:2768-1, RHSA-2017:2016-01, RHSA-2018:3558-01, SSA:2016-259-01, STORM-2019-002, SUSE-SU-2016:2699-1, SUSE-SU-2016:2714-1, USN-3123-1, VIGILANCE-VUL-20606.
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Description of the vulnerability

The libcurl library provides the curl_escape(), curl_easy_escape(), curl_unescape() and curl_easy_unescape() functions to convert special characters.

However, if the requested size is too large, an integer overflows, and an allocated memory area is too short.

An attacker can therefore generate an integer overflow via functions of the curl_escape() family of libcurl, in order to trigger a denial of service, and possibly to run code.
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security vulnerability CVE-2016-1371 CVE-2016-1372

ClamAV: multiple vulnerabilities

Synthesis of the vulnerability

An attacker can use several vulnerabilities of ClamAV.
Severity: 2/4.
Number of vulnerabilities in this bulletin: 2.
Creation date: 12/08/2016.
Identifiers: CVE-2016-1371, CVE-2016-1372, DLA-546-1, DLA-546-2, STORM-2016-003, STORM-2016-004, USN-3093-1, VIGILANCE-VUL-20374.
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Description of the vulnerability

Several vulnerabilities were announced in ClamAV.

An attacker can send an ill formed executable file, in order to trigger a denial of service. [severity:2/4; CVE-2016-1371]

An attacker can submit an ill formed 7zip archive, in order to trigger a denial of service and possibly run machine code. [severity:2/4; CVE-2016-1372]
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computer vulnerability CVE-2016-5419 CVE-2016-5420 CVE-2016-5421

cURL: three vulnerabilities

Synthesis of the vulnerability

An attacker can use several vulnerabilities of cURL.
Severity: 2/4.
Number of vulnerabilities in this bulletin: 3.
Creation date: 03/08/2016.
Identifiers: bulletinoct2016, cpuoct2018, CVE-2016-5419, CVE-2016-5420, CVE-2016-5421, DLA-586-1, DSA-3638-1, FEDORA-2016-24316f1f56, FEDORA-2016-8354baae0f, HT207423, JSA10874, openSUSE-SU-2016:2227-1, openSUSE-SU-2016:2379-1, RHSA-2016:2575-02, RHSA-2018:3558-01, SSA:2016-219-01, STORM-2019-002, USN-3048-1, VIGILANCE-VUL-20295.
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Description of the vulnerability

Several vulnerabilities were announced in cURL.

The TLS client of libcurl can resume a session even if the client certificate changed, which may lead to the authentication with an incorrect identity. [severity:2/4; CVE-2016-5419]

The TLS client of libcurl can reuse a session even if the client certificate changed, which may lead to the authentication with an incorrect identity. [severity:2/4; CVE-2016-5420]

An attacker can force the usage of a freed memory area via curleasyinit(), in order to trigger a denial of service, and possibly to run code. [severity:2/4; CVE-2016-5421]
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computer weakness 19729

Netasq, Stormshield Network Security: Man-in-the-Middle via NSRPC Client

Synthesis of the vulnerability

An attacker can act as a Man-in-the-Middle via NSRPC on Netasq or Stormshield Network Security, in order to obtain administrator privileges.
Severity: 2/4.
Creation date: 30/05/2016.
Identifiers: STORM-2016-001, VIGILANCE-VUL-19729.
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Description of the vulnerability

The Netasq and Stormshield Network Security products use the NSRPC client.

However, an attacker can alter the size of NSRPC message, to perform a brute force, to get the administrator password hash.

An attacker can therefore act as a Man-in-the-Middle via NSRPC on Netasq or Stormshield Network Security, in order to obtain administrator privileges.
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