CVE-2016-4449

MEDIUM

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.

References

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

Details

Source: MITRE

Published: 2016-06-09

Updated: 2018-01-18

Type: CWE-20

Risk Information

CVSS v2.0

Base Score: 5.8

Vector: (AV:N/AC:M/Au:N/C:P/I:N/A:P)

Impact Score: 4.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3.0

Base Score: 7.1

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

Impact Score: 5.2

Exploitability Score: 1.8

Severity: HIGH