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CVE-2016-4449Date: (C)2016-06-13   (M)2024-02-22


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 Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 7.1CVSS Score : 5.8
Exploit Score: 1.8Exploit Score: 8.6
Impact Score: 5.2Impact Score: 4.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: LOCALAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: MEDIUM
Privileges Required: NONEAuthentication: NONE
User Interaction: REQUIREDConfidentiality: PARTIAL
Scope: UNCHANGEDIntegrity: NONE
Confidentiality: HIGHAvailability: PARTIAL
Integrity: NONE 
Availability: HIGH 
  
Reference:
SECTRACK-1036348
BID-90865
APPLE-SA-2016-07-18-1
APPLE-SA-2016-07-18-2
APPLE-SA-2016-07-18-3
APPLE-SA-2016-07-18-4
APPLE-SA-2016-07-18-6
DSA-3593
JVN#17535578
JVNDB-2017-000066
RHSA-2016:1292
RHSA-2016:2957
SSA:2016-148-01
USN-2994-1
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://xmlsoft.org/news.html
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.tenable.com/security/tns-2016-18

CPE    5
cpe:/o:debian:debian_linux:8.0
cpe:/o:canonical:ubuntu_linux:15.10
cpe:/o:canonical:ubuntu_linux:16.04::~~lts~~~
cpe:/o:canonical:ubuntu_linux:12.04::~~lts~~~
...
CWE    1
CWE-20
OVAL    17
oval:org.secpod.oval:def:34291
oval:org.secpod.oval:def:602524
oval:org.secpod.oval:def:703151
oval:org.secpod.oval:def:1501506
...

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