Vulnerability Description
The xmlParseConditionalSections function in parser.c in libxml2 does not properly skip intermediary entities when it stops parsing invalid input, which allows context-dependent attackers to cause a denial of service (out-of-bounds read and crash) via crafted XML data, a different vulnerability than CVE-2015-7941.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Hp | Icewall Federation Agent | 3.0 |
| Hp | Icewall File Manager | 3.0 |
| Debian | Debian Linux | 7.0 |
| Apple | Iphone Os | <= 9.2.1 |
| Apple | Mac Os X | <= 10.11.3 |
| Apple | Tvos | <= 9.1 |
| Apple | Watchos | <= 2.1 |
| Canonical | Ubuntu Linux | 12.04 |
| Xmlsoft | Libxml2 | 2.9.2 |
Related Weaknesses (CWE)
References
- http://lists.apple.com/archives/security-announce/2016/Mar/msg00000.htmlMailing ListThird Party Advisory
- http://lists.apple.com/archives/security-announce/2016/Mar/msg00001.htmlMailing ListThird Party Advisory
- http://lists.apple.com/archives/security-announce/2016/Mar/msg00002.htmlMailing ListThird Party Advisory
- http://lists.apple.com/archives/security-announce/2016/Mar/msg00004.htmlMailing ListThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177341.h
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177381.h
- http://lists.opensuse.org/opensuse-updates/2015-12/msg00120.html
- http://lists.opensuse.org/opensuse-updates/2016-01/msg00031.html
- http://marc.info/?l=bugtraq&m=145382616617563&w=2Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2015-2549.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2015-2550.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-1089.html
- http://www.debian.org/security/2015/dsa-3430Third Party Advisory
- http://www.openwall.com/lists/oss-security/2015/10/22/5
- http://www.openwall.com/lists/oss-security/2015/10/22/8
FAQ
What is CVE-2015-7942?
CVE-2015-7942 is a vulnerability with a CVSS score of 6.8 (MEDIUM). The xmlParseConditionalSections function in parser.c in libxml2 does not properly skip intermediary entities when it stops parsing invalid input, which allows context-dependent attackers to cause a de...
How severe is CVE-2015-7942?
CVE-2015-7942 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-7942?
Check the references section above for vendor advisories and patch information. Affected products include: Hp Icewall Federation Agent, Hp Icewall File Manager, Debian Debian Linux, Apple Iphone Os, Apple Mac Os X.