CVE-2017-5334

high-risk

Published 2017-03-24

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.

Do I need to act?

5.6% chance of exploitation in next 30 days

EPSS score — moderate exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 9.8/10 Critical

NETWORK / LOW complexity

Affected Products (11)

Leap

Gnutls

Leap

Gnutls

Affected Vendors

Opensuse Gnu

References (18)

Third Party Advisory http://lists.opensuse.org/opensuse-security-announce/2017-02/msg00005.html

Mailing List http://www.openwall.com/lists/oss-security/2017/01/10/7

Mailing List http://www.openwall.com/lists/oss-security/2017/01/11/4

Third Party Advisory http://www.securityfocus.com/bid/95370

Third Party Advisory http://www.securitytracker.com/id/1037576

https://access.redhat.com/errata/RHSA-2017:2292

Issue Tracking https://gitlab.com/gnutls/gnutls/commit/c5aaa488a3d6df712dc8dff23a049133cab5ec1b

Vendor Advisory https://gnutls.org/security.html#GNUTLS-SA-2017-1

Patch https://security.gentoo.org/glsa/201702-04