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Off-by-one Error Affecting libtasn1 package, versions <0:4.10-1.amzn2.0.3

high

Snyk CVSS

    Attack Complexity High
    Availability High

    Threat Intelligence

    EPSS 0.37% (73rd percentile)
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NVD
9.1 critical
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SUSE
9.1 critical
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Red Hat
5.9 medium

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  • Snyk ID SNYK-AMZN2-LIBTASN1-3243990
  • published 21 Jan 2023
  • disclosed 24 Oct 2022
Report a new vulnerability Found a mistake?

Introduced: 24 Oct 2022

CVE-2021-46848 Open this link in a new tab
CWE-193 Open this link in a new tab
CWE-125 Open this link in a new tab

How to fix?

Upgrade Amazon-Linux:2 libtasn1 to version 0:4.10-1.amzn2.0.3 or higher.
This issue was patched in ALAS2-2023-1908.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libtasn1 package and not the libtasn1 package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

GNU Libtasn1 before 4.19.0 has an ETYPE_OK off-by-one array size check that affects asn1_encode_simple_der.

References