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CVE-2017-7507

Status Candidate

Overview

GnuTLS version 3.5.12 and earlier is vulnerable to a NULL pointer dereference while decoding a status response TLS extension with valid contents. This could lead to a crash of the GnuTLS server application.

Related Files

Gentoo Linux Security Advisory 201710-15
Posted Oct 15, 2017
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201710-15 - A null pointer dereference in GnuTLS might allow attackers to cause a Denial of Service condition. Versions less than 3.5.13 are affected.

tags | advisory, denial of service
systems | linux, gentoo
advisories | CVE-2017-7507
MD5 | dbd46e99c24c841b535c05c00b35903a
Red Hat Security Advisory 2017-2292-01
Posted Aug 1, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-2292-01 - The gnutls packages provide the GNU Transport Layer Security library, which implements cryptographic algorithms and protocols such as SSL, TLS, and DTLS. The following packages have been upgraded to a later upstream version: gnutls. Security Fix: A double-free flaw was found in the way GnuTLS parsed certain X.509 certificates with Proxy Certificate Information extension. An attacker could create a specially-crafted certificate which, when processed by an application compiled against GnuTLS, could cause that application to crash.

tags | advisory, protocol
systems | linux, redhat
advisories | CVE-2016-7444, CVE-2017-5334, CVE-2017-5335, CVE-2017-5336, CVE-2017-5337, CVE-2017-7507, CVE-2017-7869
MD5 | f227c7d31318a48f851ed0cfcb016a0e
Ubuntu Security Notice USN-3318-1
Posted Jun 14, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3318-1 - Hubert Kario discovered that GnuTLS incorrectly handled decoding a status response TLS extension. A remote attacker could possibly use this issue to cause GnuTLS to crash, resulting in a denial of service. This issue only applied to Ubuntu 16.04 LTS, Ubuntu 16.10 and Ubuntu 17.04. It was discovered that GnuTLS incorrectly handled decoding certain OpenPGP certificates. A remote attacker could use this issue to cause GnuTLS to crash, resulting in a denial of service, or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2017-7507, CVE-2017-7869
MD5 | 87efa0a053381130d3aeac91dabdc57c
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