CVE-2019-18408
Public on 2019-10-24
Modified on 2020-02-19
Description
A use-after-free vulnerability was discovered in libarchive in the way it processes RAR archives when there is an error in one of the archive's entries. An application that accepts untrusted RAR archives may be vulnerable to this flaw, which could allow a remote attacker to cause a denial of service or to potentially execute code.
Severity
Important
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | libarchive | 2020-02-17 | ALAS-2020-1343 | Fixed |
| Amazon Linux 2 - Core | libarchive | 2020-02-05 | ALAS2-2020-1391 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | CVSSv2 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| NVD | CVSSv3 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |