CVE-2017-5334
CRITICAL severity · CVSS 9.8 · Double free
9.8CVSS CRITICAL
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)33%
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: http://www.openwall.com/lists/oss-security/2017/01/10/7 ↗
Additional information
- NVD record
- http://www.openwall.com/lists/oss-security/2017/01/10/7Patch
- http://www.openwall.com/lists/oss-security/2017/01/11/4Patch
- https://gitlab.com/gnutls/gnutls/commit/c5aaa488a3d6df712dc8dff23a049133cab5ec1bPatch
- https://gnutls.org/security.html#GNUTLS-SA-2017-1Advisory
- http://lists.opensuse.org/opensuse-security-announce/2017-02/msg00005.htmlAdvisory
- http://www.securityfocus.com/bid/95370Advisory
- http://www.securitytracker.com/id/1037576Advisory
- https://access.redhat.com/errata/RHSA-2017:2292