Out-of-bounds Read and Missing Release of Memory after Effective Lifetime in tar · CVE-2021-20193 · GitHub Advisory Database · GitHub

Out-of-bounds Read and Missing Release of Memory after Effective Lifetime in tar

Moderate severity Unreviewed Published May 27, 2021 to the GitHub Advisory Database • Updated Feb 1, 2023

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

Description

A flaw was found in the src/list.c of tar 1.33 and earlier. This flaw allows an attacker who can submit a crafted input file to tar to cause uncontrolled consumption of memory. The highest threat from this vulnerability is to system availability.

References

Published by the National Vulnerability Database

Mar 26, 2021

Published to the GitHub Advisory Database May 27, 2021

Last updated Feb 1, 2023

Severity

Moderate

5.5

/ 10

CVSS base metrics

Attack vector

Local

Attack complexity

Low

Privileges required

None

User interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H