Off-by-one Error Affecting libtasn1 package, versions <0:4.13-4.el8_7


medium

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Availability High

    Threat Intelligence

    EPSS 0.31% (70th 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-ORACLE8-LIBTASN1-3229084
  • published 13 Jan 2023
  • disclosed 24 Oct 2022

How to fix?

Upgrade Oracle:8 libtasn1 to version 0:4.13-4.el8_7 or higher.
This issue was patched in ELSA-2023-0116.

NVD Description

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