CVE-2015-5312

Description

The xmlStringLenDecodeEntities function in parser.c in libxml2 before 2.9.3 does not properly prevent entity expansion, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted XML data, a different vulnerability than CVE-2014-3660.

Category

7.1
CVSS
Severity: High
CVSS 2.0 •
EPSS 1.67% Top 20%
Vendor Advisory redhat.com Vendor Advisory apple.com Vendor Advisory opensuse.org Vendor Advisory debian.org Vendor Advisory apple.com Vendor Advisory redhat.com Vendor Advisory apple.com Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory marc.info Vendor Advisory gentoo.org Vendor Advisory opensuse.org Vendor Advisory apple.com Vendor Advisory xmlsoft.org Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://rhn.redhat.com/errata/RHSA-2015-2550.html third party advisory vendor advisory
http://lists.apple.com/archives/security-announce/2016/Mar/msg00004.html mailing list vendor advisory
http://lists.opensuse.org/opensuse-updates/2016-01/msg00031.html vendor advisory
https://support.apple.com/HT206167 vendor advisory
https://support.apple.com/HT206168 vendor advisory
http://www.debian.org/security/2015/dsa-3430 third party advisory vendor advisory
https://git.gnome.org/browse/libxml2/commit/?id=69030714cde66d525a8884bda01b9e8f0abf8e1e
https://bugzilla.redhat.com/show_bug.cgi?id=1276693 issue tracking
http://lists.apple.com/archives/security-announce/2016/Mar/msg00000.html vendor advisory
http://xmlsoft.org/news.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2016-1089.html vendor advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
http://lists.apple.com/archives/security-announce/2016/Mar/msg00001.html vendor advisory
http://www.ubuntu.com/usn/USN-2834-1 third party advisory vendor advisory
http://www.securitytracker.com/id/1034243 vdb entry
http://rhn.redhat.com/errata/RHSA-2015-2549.html third party advisory vendor advisory
http://marc.info/?l=bugtraq&m=145382616617563&w=2 third party advisory vendor advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04944172 third party advisory
http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
https://security.gentoo.org/glsa/201701-37 vendor advisory
http://lists.opensuse.org/opensuse-updates/2015-12/msg00120.html vendor advisory
http://lists.apple.com/archives/security-announce/2016/Mar/msg00002.html third party advisory vendor advisory
https://support.apple.com/HT206169 vendor advisory
https://support.apple.com/HT206166 vendor advisory
http://www.securityfocus.com/bid/79536 vdb entry

Frequently Asked Questions

What is the severity of CVE-2015-5312?
CVE-2015-5312 has been scored as a high severity vulnerability.
How to fix CVE-2015-5312?
To fix CVE-2015-5312, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-5312 being actively exploited in the wild?
It is possible that CVE-2015-5312 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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