Vulnerability CVE-2015-3308
Published: 2015-09-02

Description:
Double free vulnerability in lib/x509/x509_ext.c in GnuTLS before 3.3.14 allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted CRL distribution point.

See advisories in our WLB2 database:
Topic
Author
Date
High
gnutls 3.3.13 double-free in parsing CRL distribution points
Robert Święcki
15.04.2015

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
GNU -> Gnutls 
Canonical -> Ubuntu linux 

 References:
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155101.html
http://www.gnutls.org/security.html#GNUTLS-SA-2015-4
http://www.openwall.com/lists/oss-security/2015/04/15/6
http://www.openwall.com/lists/oss-security/2015/04/16/6
http://www.securityfocus.com/bid/74188
http://www.securitytracker.com/id/1033774
http://www.ubuntu.com/usn/USN-2727-1
https://gitlab.com/gnutls/gnutls/commit/053ae65403216acdb0a4e78b25ad66ee9f444f02
https://gitlab.com/gnutls/gnutls/commit/d6972be33264ecc49a86cd0958209cd7363af1e9
https://security.gentoo.org/glsa/201506-03
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