CVE-2016-4449 Information

Description

XML external entity (XXE) vulnerability in the xmlStringLenDecodeEntities function in parser.c in libxml2 before 2.9.4 when not in validating mode allows context-dependent attackers to read arbitrary files or cause a denial of service (resource consumption) via unspecified vectors.

CVSS Vector

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

Reference

http://jvn.jp/en/jp/JVN17535578/index.html http://jvndb.jvn.jp/en/contents/2017/JVNDB-2017-000066.html http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.html http://lists.apple.com/archives/security-announce/2016/Jul/msg00001.html http://lists.apple.com/archives/security-announce/2016/Jul/msg00002.html http://lists.apple.com/archives/security-announce/2016/Jul/msg00003.html http://lists.apple.com/archives/security-announce/2016/Jul/msg00005.html http://rhn.redhat.com/errata/RHSA-2016-2957.html http://www.openwall.com/lists/oss-security/2016/05/25/2 http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html http://www.securityfocus.com/bid/90865 http://www.securitytracker.com/id/1036348 http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.404722 http://www.ubuntu.com/usn/USN-2994-1 http://xmlsoft.org/news.html https://access.redhat.com/errata/RHSA-2016:1292 https://git.gnome.org/browse/libxml2/commit/?id=b1d34de46a11323fccffa9fadeb33be670d602f5 https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05194709 https://kc.mcafee.com/corporate/index?page=content&id=SB10170 https://support.apple.com/HT206899 https://support.apple.com/HT206901 https://support.apple.com/HT206902 https://support.apple.com/HT206903 https://support.apple.com/HT206904 https://support.apple.com/HT206905 https://support.cybozu.com/ja-jp/article/9735 https://www.debian.org/security/2016/dsa-3593 https://www.tenable.com/security/tns-2016-18

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.1