CVE Vulnerability

CVE-2021-29482

xz is a compression and decompression library focusing on the xz format completely written in Go. The function readUvarint used to read the xz container format may not terminate a loop provide malicous input. The problem has been fixed in release v0.5.8. As a workaround users can limit the size of the compressed file input to a reasonable size for their use case. The standard library had recently the same issue and got the CVE-2020-16845 allocated.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/ulikunitz/xz/security/advisories/GHSA-25xm-hr59-7c27 Third Party Advisory
https://github.com/ulikunitz/xz/commit/69c6093c7b2397b923acf82cb378f55ab2652b9b Patch Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:xz_project:xz:*:*:*:*:*:go:*:*
Information

Published : 2021-04-28 07:15

Updated : 2021-05-14 07:56

NVD link : CVE-2021-29482

Mitre link : CVE-2021-29482

Products Affected
No products.
CWE
CWE-835