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CVE-2017-14502

Published: 17 September 2017

read_header in archive_read_support_format_rar.c in libarchive 3.3.2 suffers from an off-by-one error for UTF-16 names in RAR archives, leading to an out-of-bounds read in archive_read_format_rar_read_header.

Priority

Negligible

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
libarchive
Launchpad, Ubuntu, Debian
trusty
Released (3.1.2-7ubuntu2.7)
upstream Needs triage

artful Ignored
(end of life)
bionic
Released (3.2.2-3.1ubuntu0.2)
cosmic Not vulnerable
(3.2.2-5)
xenial
Released (3.1.2-11ubuntu0.16.04.5)
zesty Ignored
(end of life)
Patches:
upstream: https://github.com/libarchive/libarchive/commit/5562545b5562f6d12a4ef991fae158bf4ccf92b6

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H