CVE-2016-4449MEDIUM
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
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
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
Vulnerable Software
Configuration 1
OR
Configuration 2
OR
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
Configuration 3
OR
cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:* versions up to 2.9.3 (inclusive)
Tenable Plugins
| ID | Name | Product | Family | Severity |
|---|---|---|---|---|
| 121070 | Junos OS: Multiple vulnerabilities in libxml2 (JSA10916) | Nessus | Junos Local Security Checks | critical |
| 99492 | Fedora 24 : libxml2 (2017-be8574d593) | Nessus | Fedora Local Security Checks | critical |
| 99491 | Fedora 25 : libxml2 (2017-a3a47973eb) | Nessus | Fedora Local Security Checks | critical |
| 97893 | Tenable Log Correlation Engine (LCE) < 4.8.1 Multiple Vulnerabilities | Nessus | Misc. | critical |
| 95940 | F5 Networks BIG-IP : libxml2 vulnerabilities (K24322529) | Nessus | F5 Networks Local Security Checks | medium |
| 93154 | SUSE SLES11 Security Update : libxml2 (SUSE-SU-2016:1604-1) | Nessus | SuSE Local Security Checks | critical |
| 93145 | FreeBSD : libxml2 -- multiple vulnerabilities (e195679d-045b-4953-bb33-be0073ba2ac6) | Nessus | FreeBSD Local Security Checks | high |
| 9441 | Mac OS X 10.11.x < 10.11.6 Multiple Vulnerabilities | Nessus Network Monitor | Operating System Detection | critical |
| 92497 | Mac OS X 10.9.5 and 10.10.5 Multiple Vulnerabilities (Security Update 2016-004) | Nessus | MacOS X Local Security Checks | critical |
| 92496 | Mac OS X 10.11.x < 10.11.6 Multiple Vulnerabilities | Nessus | MacOS X Local Security Checks | critical |
| 92494 | Apple TV < 9.2.2 Multiple Vulnerabilities | Nessus | Misc. | critical |
| 92411 | Apple iTunes < 12.4.2 Multiple Vulnerabilities (uncredentialed check) | Nessus | Peer-To-Peer File Sharing | critical |
| 92410 | Apple iTunes < 12.4.2 Multiple Vulnerabilities (credentialed check) | Nessus | Windows | critical |
| 92359 | Apple iOS < 9.3.3 Multiple Vulnerabilities | Nessus | Mobile Devices | critical |
| 92221 | Amazon Linux AMI : libxml2 (ALAS-2016-719) | Nessus | Amazon Linux Local Security Checks | critical |
| 91808 | Scientific Linux Security Update : libxml2 on SL6.x, SL7.x i386/x86_64 (20160623) | Nessus | Scientific Linux Local Security Checks | critical |
| 91802 | RHEL 6 / 7 : libxml2 (RHSA-2016:1292) | Nessus | Red Hat Local Security Checks | critical |
| 91800 | OracleVM 3.3 / 3.4 : libxml2 (OVMSA-2016-0087) | Nessus | OracleVM Local Security Checks | critical |
| 91797 | Oracle Linux 6 / 7 : libxml2 (ELSA-2016-1292) | Nessus | Oracle Linux Local Security Checks | critical |
| 91786 | CentOS 6 / 7 : libxml2 (CESA-2016:1292) | Nessus | CentOS Local Security Checks | critical |
| 91656 | SUSE SLED12 / SLES12 Security Update : libxml2 (SUSE-SU-2016:1538-1) | Nessus | SuSE Local Security Checks | critical |
| 91639 | openSUSE Security Update : libxml2 (openSUSE-2016-733) | Nessus | SuSE Local Security Checks | critical |
| 91499 | Ubuntu 12.04 LTS / 14.04 LTS / 15.10 / 16.04 LTS : libxml2 vulnerabilities (USN-2994-1) | Nessus | Ubuntu Local Security Checks | high |
| 91472 | Debian DLA-503-1 : libxml2 security update | Nessus | Debian Local Security Checks | high |
| 91447 | Debian DSA-3593-1 : libxml2 - security update | Nessus | Debian Local Security Checks | high |
| 91353 | Slackware 14.0 / 14.1 / current : libxml2 (SSA:2016-148-01) | Nessus | Slackware Local Security Checks | critical |