Vulnerability Description
The XML parser in Expat does not use sufficient entropy for hash initialization, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted identifiers in an XML document. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-0876.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Canonical | Ubuntu Linux | 12.04 |
| Debian | Debian Linux | 8.0 |
| Libexpat Project | Libexpat | < 2.2.0 |
| Android | 4.4.4 |
Related Weaknesses (CWE)
References
- http://www.debian.org/security/2016/dsa-3597Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/06/04/4Mailing List
- http://www.openwall.com/lists/oss-security/2016/06/04/5Mailing List
- http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.htmlPatchThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.htmlThird Party Advisory
- http://www.securityfocus.com/bid/91159Third Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-3010-1Third Party Advisory
- https://kc.mcafee.com/corporate/index?page=content&id=SB10365
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e3
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8
- https://security.gentoo.org/glsa/201701-21Third Party Advisory
- https://source.android.com/security/bulletin/2016-11-01.htmlThird Party Advisory
- https://www.tenable.com/security/tns-2016-20Third Party Advisory
- http://www.debian.org/security/2016/dsa-3597Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/06/04/4Mailing List
FAQ
What is CVE-2016-5300?
CVE-2016-5300 is a vulnerability with a CVSS score of 7.5 (HIGH). The XML parser in Expat does not use sufficient entropy for hash initialization, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted identifiers in an X...
How severe is CVE-2016-5300?
CVE-2016-5300 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-5300?
Check the references section above for vendor advisories and patch information. Affected products include: Canonical Ubuntu Linux, Debian Debian Linux, Libexpat Project Libexpat, Google Android.