CVE Vulnerabilities

CVE-2020-23911

NULL Pointer Dereference

Published: Jul 18, 2023 | Modified: Nov 21, 2024
CVSS 3.x
5.5
MEDIUM
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu
LOW
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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.

Weakness

The product dereferences a pointer that it expects to be valid but is NULL.

Affected Software

NameVendorStart VersionEnd Version
Asn1cAsn1c_project*0.9.28 (including)
Asn1cUbuntubionic*
Asn1cUbuntufocal*
Asn1cUbuntukinetic*
Asn1cUbuntulunar*
Asn1cUbuntumantic*
Asn1cUbuntuoracular*
Asn1cUbuntuplucky*
Asn1cUbuntutrusty*
Asn1cUbuntuxenial*

Potential Mitigations

References