CVE-2018-1000654

MEDIUM

GNU Libtasn1 4.12-4.13 - Denial of Service via Crafted File Parsing

Title source: llm

Description

GNU Libtasn1-4.13 libtasn1-4.13 version libtasn1-4.13, libtasn1-4.12 contains a DoS, specifically CPU usage will reach 100% when running asn1Paser against the POC due to an issue in _asn1_expand_object_id(p_tree), after a long time, the program will be killed. This attack appears to be exploitable via parsing a crafted file.

References (5)

Core 5

Core References

Exploit, Third Party Advisory x_refsource_confirm

https://gitlab.com/gnutls/libtasn1/issues/4

Third Party Advisory, VDB Entry vdb-entry x_refsource_bid

http://www.securityfocus.com/bid/105151

Mailing List mailing-list x_refsource_mlist

https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E

Mailing List vendor-advisory x_refsource_suse

http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00009.html

Mailing List vendor-advisory x_refsource_suse

http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00018.html

Scores

CVSS v3 5.5

EPSS 0.0013

EPSS Percentile 31.1%

Attack Vector LOCAL

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

Details

Status published

Products (2)

gnu/libtasn1 4.12

gnu/libtasn1 4.13

Published Aug 20, 2018

Tracked Since Feb 18, 2026