Vulnerabilities > CVE-2020-21674 - Out-of-bounds Write vulnerability in Libarchive 3.4.1

047910
CVSS 6.5 - MEDIUM
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
NONE
Integrity impact
NONE
Availability impact
HIGH
network
low complexity
libarchive
CWE-787

Summary

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.

Vulnerable Configurations

Part Description Count
Application
Libarchive
1

Common Weakness Enumeration (CWE)