CVE-2017-6891 Information

Description

Two errors in the \asn1_find_node()\ function (lib/parser_aux.c) within GnuTLS libtasn1 version 4.10 can be exploited to cause a stacked-based buffer overflow by tricking a user into processing a specially crafted assignments file via the e.g. asn1Coding utility.

CVSS Vector

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

Reference

http://git.savannah.gnu.org/gitweb/?p=libtasn1.git;a=commit;h=5520704d075802df25ce4ffccc010ba1641bd484 http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00018.html http://www.debian.org/security/2017/dsa-3861 http://www.securityfocus.com/bid/98641 http://www.securitytracker.com/id/1038619 https://secuniaresearch.flexerasoftware.com/advisories/76125/ https://secuniaresearch.flexerasoftware.com/secunia_research/2017-11/ https://security.gentoo.org/glsa/201710-11

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8