CVE-2017-14166 Information

Description

libarchive 3.3.2 allows remote attackers to cause a denial of service (xml_data heap-based buffer over-read and application crash) via a crafted xar archive related to the mishandling of empty strings in the atol8 function in archive_read_support_format_xar.c.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Reference

https://blogs.gentoo.org/ago/2017/09/06/libarchive-heap-based-buffer-overflow-in-xml_data-archive_read_support_format_xar-c/ https://github.com/libarchive/libarchive/commit/fa7438a0ff4033e4741c807394a9af6207940d71 https://lists.debian.org/debian-lts-announce/2018/11/msg00037.html https://security.gentoo.org/glsa/201908-11 https://usn.ubuntu.com/3736-1/ https://www.debian.org/security/2018/dsa-4360

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5