Double Free Affecting gnutls28 package, versions <3.5.6-4ubuntu3
Threat Intelligence
Exploit maturity not defined.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1804-GNUTLS28-340687
- published24 Mar 2017
- disclosed24 Mar 2017
Introduced: 24 Mar 2017
CVE-2017-5334 (opens in a new tab)How to fix?
Upgrade Ubuntu:18.04 gnutls28 to version 3.5.6-4ubuntu3 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream gnutls28 package and not the gnutls28 package as distributed by Ubuntu.
See How to fix? for Ubuntu:18.04 relevant fixed versions and status.
Double free vulnerability in the gnutls_x509_ext_import_proxy function in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allows remote attackers to have unspecified impact via crafted policy language information in an X.509 certificate with a Proxy Certificate Information extension.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-5334
- https://gitlab.com/gnutls/gnutls/commit/c5aaa488a3d6df712dc8dff23a049133cab5ec1b
- https://gnutls.org/security.html#GNUTLS-SA-2017-1
- https://security-tracker.debian.org/tracker/CVE-2017-5334
- https://security.gentoo.org/glsa/201702-04
- http://lists.opensuse.org/opensuse-security-announce/2017-02/msg00005.html
- http://www.openwall.com/lists/oss-security/2017/01/10/7
- http://www.openwall.com/lists/oss-security/2017/01/11/4
- https://access.redhat.com/errata/RHSA-2017:2292
- http://www.securityfocus.com/bid/95370
- http://www.securitytracker.com/id/1037576