PT-2015-1943 · Gnu · Gnutls

Robert Święcki · Published 2015-09-02 · Updated 2016-12-22 · CVE-2015-3308

Positive Technologies (AI Summary)

CVSS v2.0

7.5

High

Base vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions GnuTLS versions prior to 3.3.14

Description The issue is related to a double free vulnerability in the lib/x509/x509 ext.c component of GnuTLS. This vulnerability can be exploited by remote attackers using a crafted CRL distribution point, potentially leading to a denial of service or other unspecified impacts.

Recommendations For versions prior to 3.3.14, update to version 3.3.14 or later to resolve the issue. As a temporary workaround, consider restricting access to the lib/x509/x509 ext.c component until a patch is available. Avoid using the vulnerable component with crafted CRL distribution points to minimize the risk of exploitation.

Fix

Double Free

Weakness Enumeration

CWE-415

Related Identifiers

BDU:2015-11289

CVE-2015-3308

Affected Products

Gnutls

References · 15

• https://osv.dev/vulnerability/DEBIAN-CVE-2015-3308 · Vendor Advisory
• https://bdu.fstec.ru/vul/2015-11289 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2015-3308 · Security Note
• https://osv.dev/vulnerability/CVE-2015-3308 · Vendor Advisory
• http://ubuntu.com/usn/USN-2727-1 · Vendor Advisory
• http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155101.html · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2015-3308 · Vendor Advisory
• https://security.gentoo.org/glsa/201506-03 · Vendor Advisory
• https://gitlab.com/gnutls/gnutls/commit/d6972be33264ecc49a86cd0958209cd7363af1e9 · Note
• http://openwall.com/lists/oss-security/2015/04/15/6 · Note
• http://securityfocus.com/bid/74188 · Note
• http://openwall.com/lists/oss-security/2015/04/16/6 · Note
• http://gnutls.org/security.html#GNUTLS-SA-2015-4 · Note
• http://securitytracker.com/id/1033774 · Note
• https://gitlab.com/gnutls/gnutls/commit/053ae65403216acdb0a4e78b25ad66ee9f444f02 · Note