CVE-2016-2335 Information

Description

The CInArchive::ReadFileItem method in Archive/Udf/UdfIn.cpp in 7zip 9.20 and 15.05 beta and p7zip allows remote attackers to cause a denial of service (out-of-bounds read) or execute arbitrary code via the PartitionRef field in the Long Allocation Descriptor in a UDF file.

CVSS Vector

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

Reference

http://blog.talosintel.com/2016/05/multiple-7-zip-vulnerabilities.html http://lists.opensuse.org/opensuse-updates/2016-06/msg00004.html http://lists.opensuse.org/opensuse-updates/2016-06/msg00098.html http://lists.opensuse.org/opensuse-updates/2016-07/msg00069.html http://www.debian.org/security/2016/dsa-3599 http://www.oracle.com/technetwork/topics/security/bulletinoct2016-3090566.html http://www.securityfocus.com/bid/90531 http://www.securitytracker.com/id/1035876 http://www.talosintel.com/reports/TALOS-2016-0094/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DNYIQAU3FKFBNFPK6GKYTSVRHQA7PTYT/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DTGWICT3KYYDPDXRNO5SXD32GZICGRIR/ https://security.gentoo.org/glsa/201701-27 https://usn.ubuntu.com/3913-1/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8