CVE-2018-6003 Information

Description

An issue was discovered in the _asn1_decode_simple_ber function in decoding.c in GNU Libtasn1 before 4.13. Unlimited recursion in the BER decoder leads to stack exhaustion and DoS.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

http://git.savannah.nongnu.org/cgit/libtasn1.git/commit/?id=c593ae84cfcde8fea45787e53950e0ac71e9ca97 https://bugzilla.redhat.com/show_bug.cgi?id=1535926 https://bugzilla.suse.com/show_bug.cgi?id=1076832 https://gitlab.com/gnutls/libtasn1/commit/946565d8eb05fbf7970ea366e817581bb5a90910 https://www.debian.org/security/2018/dsa-4106

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5