CVE-2019-18408

MEDIUM

Description

archive_read_format_rar_read_data in archive_read_support_format_rar.c in libarchive before 3.4.0 has a use-after-free in a certain ARCHIVE_FAILED situation, related to Ppmd7_DecodeSymbol.

References

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=14689

https://github.com/libarchive/libarchive/commit/b8592ecba2f9e451e1f5cb7ab6dcee8b8e7b3f60

https://github.com/libarchive/libarchive/compare/v3.3.3...v3.4.0

https://lists.debian.org/debian-lts-announce/2019/10/msg00034.html

https://seclists.org/bugtraq/2019/Nov/2

https://usn.ubuntu.com/4169-1/

https://www.debian.org/security/2019/dsa-4557

Details

Source: MITRE

Published: 2019-10-24

Updated: 2019-11-01

Type: CWE-416

Risk Information

CVSS v2.0

Base Score: 5

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3.0

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH