CVE Vulnerability

CVE-2021-20193

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.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

5.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://savannah.gnu.org/bugs/?59897 Issue Tracking Patch
https://bugzilla.redhat.com/show_bug.cgi?id=1917565 Issue Tracking Patch
https://git.savannah.gnu.org/cgit/tar.git/commit/?id=d9d4435692150fa8ff68e1b1a473d187cc3fd777 Mailing List Patch
https://security.gentoo.org/glsa/202105-29 Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:gnu:tar:*:*:*:*:*:*:*:*
Information

Published : 2021-03-26 05:15

Updated : 2021-06-03 06:53

NVD link : CVE-2021-20193

Mitre link : CVE-2021-20193

Products Affected
No products.
CWE
CWE-125

Out-of-bounds Read

CWE-401