CVE-2015-8916 Information

Description

bsdtar in libarchive before 3.2.0 returns a success code without filling the entry when the header is a \split file in multivolume RAR\ which allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted rar file.

CVSS Vector

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

Reference

http://rhn.redhat.com/errata/RHSA-2016-1844.html http://www.debian.org/security/2016/dsa-3657 http://www.openwall.com/lists/oss-security/2016/06/17/2 http://www.openwall.com/lists/oss-security/2016/06/17/5 http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html http://www.securityfocus.com/bid/91296 http://www.ubuntu.com/usn/USN-3033-1 https://blog.fuzzing-project.org/47-Many-invalid-memory-access-issues-in-libarchive.html https://github.com/libarchive/libarchive/issues/504 https://security.gentoo.org/glsa/201701-03 https://security-tracker.debian.org/tracker/CVE-2015-8916

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