CVE-2016-4472
HIGH severity · CVSS 8.1 · Memory corruption
8.1CVSS HIGH
Summary
The overflow protection in Expat is removed by compilers with certain optimization settings, which allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via crafted XML data. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-1283 and CVE-2015-2716.
Impact & exploitability
Attack vectorNetwork
Attack complexityHigh
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)12%
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://bugzilla.redhat.com/show_bug.cgi?id=1344251 ↗
Additional information
- NVD record
- https://bugzilla.redhat.com/show_bug.cgi?id=1344251Patch
- https://sourceforge.net/p/expat/code_git/ci/f0bec73b018caa07d3e75ec8dd967f3785d71bdePatch
- http://www.securityfocus.com/bid/91528Advisory
- http://www.ubuntu.com/usn/USN-3013-1Advisory
- https://kc.mcafee.com/corporate/index?page=content&id=SB10365Advisory
- https://security.gentoo.org/glsa/201701-21Advisory
- https://www.tenable.com/security/tns-2016-20Advisory