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CVE-2018-1000654 Affecting libtasn1 package, versions <4.14-r0

Severity

 Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.2% (58th percentile)

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  • Snyk IDSNYK-ALPINE319-LIBTASN1-6107010
  • published8 Dec 2023
  • disclosed20 Aug 2018
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Introduced: 20 Aug 2018

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

How to fix?

Upgrade Alpine:3.19 libtasn1 to version 4.14-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libtasn1 package and not the libtasn1 package as distributed by Alpine. See How to fix? for Alpine:3.19 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.