CVE-2017-5336 Information

Description

Stack-based buffer overflow in the cdk_pk_get_keyid function in lib/opencdk/pubkey.c in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allows remote attackers to have unspecified impact via a crafted OpenPGP certificate.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2017-02/msg00005.html http://rhn.redhat.com/errata/RHSA-2017-0574.html http://www.openwall.com/lists/oss-security/2017/01/10/7 http://www.openwall.com/lists/oss-security/2017/01/11/4 http://www.securityfocus.com/bid/95377 http://www.securitytracker.com/id/1037576 https://access.redhat.com/errata/RHSA-2017:2292 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=340 https://gitlab.com/gnutls/gnutls/commit/5140422e0d7319a8e2fe07f02cbcafc4d6538732 https://gnutls.org/security.htmlGNUTLS-SA-2017-2 https://security.gentoo.org/glsa/201702-04

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8