CVE-2016-4449
HIGH severity · CVSS 7.1 · Improper input validation
7.1CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredNone
User interactionRequired
Confidentiality impactHigh
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)2%
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- 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