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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
See what this means
CVSS v3 Base Score
8.1
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 libarchive 2020-02-17 19:38 ALAS-2020-1343
Amazon Linux 2 - Core libarchive 2020-02-05 16:44 ALAS2-2020-1391

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