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Libksba CVE-2022-47629

CRITICAL
Integer Overflow or Wraparound (CWE-190)
2022-12-20 cve@mitre.org
Integer Overflow Buffer Overflow Libksba Debian Linux
9.8
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

1
CVE Published
Dec 20, 2022 - 23:15 nvd
CRITICAL 9.8

DescriptionNVD

Libksba before 1.6.3 is prone to an integer overflow vulnerability in the CRL signature parser.

AnalysisAI

Libksba before 1.6.3 is prone to an integer overflow vulnerability in the CRL signature parser. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Technical ContextAI

This vulnerability is classified as Integer Overflow (CWE-190), which allows attackers to cause unexpected behavior through arithmetic overflow. Libksba before 1.6.3 is prone to an integer overflow vulnerability in the CRL signature parser. Affected products include: Gnupg Libksba, Debian Debian Linux. Version information: before 1.6.3.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Validate arithmetic operations, use safe integer libraries, check bounds before allocation.

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Same weakness CWE-190 – Integer Overflow or Wraparound

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Same technique Integer Overflow

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CVE-2022-47629 vulnerability details – vuln.today
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