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

0.0
medium

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Availability High

    Threat Intelligence

    EPSS 0.21% (59th percentile)
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NVD
5.5 medium
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SUSE
6.2 medium
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Red Hat
4 medium

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  • Snyk ID SNYK-ALPINE39-LIBTASN1-458249
  • published 22 Aug 2018
  • disclosed 20 Aug 2018
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Introduced: 20 Aug 2018

CVE-2018-1000654 Open this link in a new tab

How to fix?

Upgrade Alpine:3.9 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:3.9 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.