CVE-2018-6003

Published: Jan 22, 2018Modified: Jun 17, 2026

7.5

Vector

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

Exploitability: 3.9 / Impact: 3.6

Source: NVD

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.

Affected (4)

Products: Gnu: Libtasn1 · Debian: Debian Linux · Fedoraproject: Fedora

1 product

1 product

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Gnu Libtasn1	Up to 4.12

Configuration B

3 vulnerable

Vulnerable Software	Affected Versions
Debian Debian Linux	Version 9.0
Fedoraproject Fedora	Version 26
Fedoraproject Fedora	Version 27

Related CWEs

CWE-674

Uncontrolled Recursion

The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack.

References (14)

http://git.savannah.nongnu.org/cgit/libtasn1.git/commit/?id=c593ae84cfcde8fea45787e53950e0ac71e9ca97

Source: cve@mitre.org

PatchVendor Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=1535926

Source: cve@mitre.org

Issue TrackingThird Party Advisory

https://bugzilla.suse.com/show_bug.cgi?id=1076832

Source: cve@mitre.org

Issue TrackingThird Party Advisory

https://gitlab.com/gnutls/libtasn1/commit/946565d8eb05fbf7970ea366e817581bb5a90910

Source: cve@mitre.org

Third Party Advisory

https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E

Source: cve@mitre.org

https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E

Source: cve@mitre.org

https://www.debian.org/security/2018/dsa-4106

Source: cve@mitre.org

Third Party Advisory

http://git.savannah.nongnu.org/cgit/libtasn1.git/commit/?id=c593ae84cfcde8fea45787e53950e0ac71e9ca97