CVE-2020-21674

libarchive/libarchive

on github

Published

October 15, 2020

Severity

CVSS v3:

6.5 MEDIUM

CVSS v2:

4.3 MEDIUM

Description

Heap-based buffer overflow in archive_string_append_from_wcs() (archive_string.c) in libarchive-3.4.1dev allows remote attackers to cause a denial of service (out-of-bounds write in heap memory resulting into a crash) via a crafted archive file. NOTE: this only affects users who downloaded the development code from GitHub. Users of the product's official releases are unaffected.

References

https://github.com/libarchive/libarchive/issues/1298
https://github.com/libarchive/libarchive/commit/4f085eea879e2be745f4d9bf57e8513ae48157f4

Configurations

CPE23	Version Start	Version End	Exact Version
cpe:2.3:a:libarchive:libarchive:3.4.1:::::::*	n/a	n/a	3.4.1

External Links

NVD - CVE-2020-21674