CVE-2018-1000878

Source
Severity High
Remote No
Type Arbitrary code execution
Description
A use-after-free issue has been found in libarchive >= 3.1.0 and <=3.3.3, in the archive_read_format_rar_read_header() function in archive_read_support_format_rar.c. An attacker can use a specially crafted RAR file to cause the vulnerable function to free the buffer and allocate a new one, causing the ppmd7 decoder to continue reading from and writing to the freed buffer.
Group Package Affected Fixed Severity Status Ticket
AVG-837 libarchive 3.3.3-1 3.4.0-1 High Fixed
Date Advisory Group Package Severity Description
25 Jun 2019 ASA-201906-21 AVG-837 libarchive High multiple issues
References
https://bugs.launchpad.net/ubuntu/+source/libarchive/+bug/1794909
https://github.com/libarchive/libarchive/pull/1105
https://github.com/libarchive/libarchive/commit/bfcfe6f04ed20db2504db8a254d1f40a1d84eb28