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


Severity

Recommended
medium

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.28% (51st percentile)

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  • Snyk IDSNYK-ORACLE8-LIBTASN1-3229084
  • published13 Jan 2023
  • disclosed24 Oct 2022

Introduced: 24 Oct 2022

CVE-2021-46848  (opens in a new tab)
CWE-193  (opens in a new tab)

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.

CVSS Base Scores

version 3.1