Loop with Unreachable Exit Condition ('Infinite Loop') Affecting libtasn1 package, versions *


Severity

Recommended
low

Based on CentOS security rating.

Threat Intelligence

EPSS
2.01% (80th percentile)

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  • Snyk IDSNYK-CENTOS8-LIBTASN1-1938952
  • published26 Jul 2021
  • disclosed12 Aug 2018

Introduced: 12 Aug 2018

CVE-2018-1000654  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

There is no fixed version for Centos:8 libtasn1.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libtasn1 package and not the libtasn1 package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

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.