NULL Pointer Dereference Affecting asn1c package, versions *


Severity

Recommended
low

Based on Debian security rating.

Threat Intelligence

EPSS
0.05% (21st percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-ASN1C-5803138
  • published24 Jul 2023
  • disclosed18 Jul 2023

Introduced: 18 Jul 2023

CVE-2020-23911  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

There is no fixed version for Debian:unstable asn1c.

NVD Description

Note: Versions mentioned in the description apply only to the upstream asn1c package and not the asn1c package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

An issue was discovered in asn1c through v0.9.28. A NULL pointer dereference exists in the function _default_error_logger() located in asn1fix.c. It allows an attacker to cause Denial of Service.

CVSS Scores

version 3.1