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Off-by-one Error Affecting libtasn1 package, versions <4.18.0-r1

0.0
critical

Snyk CVSS

    Attack Complexity Low
    Confidentiality 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-ALPINE316-LIBTASN1-3173578
  • published 23 Nov 2022
  • disclosed 24 Oct 2022
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Introduced: 24 Oct 2022

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

How to fix?

Upgrade Alpine:3.16 libtasn1 to version 4.18.0-r1 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:3.16 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