CVE Vulnerability

CVE-2021-32840

SharpZipLib (or #ziplib) is a Zip, GZip, Tar and BZip2 library. Prior to version 1.3.3, a TAR file entry `../evil.txt` may be extracted in the parent directory of `destFolder`. This leads to arbitrary file write that may lead to code execution. The vulnerability was patched in version 1.3.3.

7.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/icsharpcode/SharpZipLib/releases/tag/v1.3.3 Third Party Advisory
https://github.com/icsharpcode/SharpZipLib/commit/a0e96de70b5264f4c919b09253b1522bc7a221cc Patch Third Party Advisory
https://securitylab.github.com/advisories/GHSL-2021-125-sharpziplib/ Exploit Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:sharpziplib_project:sharpziplib:*:*:*:*:*:*:*:*
Information

Published : 2022-01-26 09:15

Updated : 2022-02-07 07:10

NVD link : CVE-2021-32840

Mitre link : CVE-2021-32840

Products Affected
No products.
CWE
CWE-22