Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Libexpat Project | Libexpat | <= 2.1.1 |
| Canonical | Ubuntu Linux | 12.04 |
| Mcafee | Policy Auditor | < 6.5.1 |
| Python | Python | >= 2.7.0, < 2.7.15 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/91528Third Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-3013-1Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1344251Issue TrackingPatchThird Party Advisory
- https://kc.mcafee.com/corporate/index?page=content&id=SB10365Third Party Advisory
- https://security.gentoo.org/glsa/201701-21Third Party Advisory
- https://sourceforge.net/p/expat/code_git/ci/f0bec73b018caa07d3e75ec8dd967f3785d7PatchThird Party Advisory
- https://www.tenable.com/security/tns-2016-20Third Party Advisory
- http://www.securityfocus.com/bid/91528Third Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-3013-1Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1344251Issue TrackingPatchThird Party Advisory
- https://kc.mcafee.com/corporate/index?page=content&id=SB10365Third Party Advisory
- https://security.gentoo.org/glsa/201701-21Third Party Advisory
- https://sourceforge.net/p/expat/code_git/ci/f0bec73b018caa07d3e75ec8dd967f3785d7PatchThird Party Advisory
- https://www.tenable.com/security/tns-2016-20Third Party Advisory
FAQ
What is CVE-2016-4472?
CVE-2016-4472 is a vulnerability with a CVSS score of 8.1 (HIGH). 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 c...
How severe is CVE-2016-4472?
CVE-2016-4472 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-4472?
Check the references section above for vendor advisories and patch information. Affected products include: Libexpat Project Libexpat, Canonical Ubuntu Linux, Mcafee Policy Auditor, Python Python.