Integer overflow in processing libarchive files in Oracle Linux - CVE-2016-5844

Vulnerability identifier: #VU26

CSH Severity: High

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber

CVE-ID: CVE-2016-5844

CWE-ID: CWE-732

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor:
Oracle

Affected software:

Oracle Linux

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error when processing files in libarchive. A remote unauthenticated attacker can cause integer buffer overflow in choose_volume() by sending a specially crafted file to vulnerable server.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

The vendor has issued a fix (3.2.1).

• http://www.libarchive.org/
• http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
• http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html