CVE-2015-5312
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.50%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 2.0
- 7.1 HIGHAV:N/AC:M/Au:N/C:N/I:N/A:C
- EPSS
- 4.50% probability · 91th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-399
- Affected
- canonical/ubuntu linux · redhat/enterprise linux desktop · redhat/enterprise linux hpc node · redhat/enterprise linux server · redhat/enterprise linux workstation · apple/iphone os · apple/mac os x · apple/tvos · apple/watchos · xmlsoft/libxml2 · hp/icewall federation agent · hp/icewall file manager · debian/debian linux
- Source
- secalert@redhat.com
References
- http://lists.apple.com/archives/security-announce/2016/Mar/msg00000.html
- http://lists.apple.com/archives/security-announce/2016/Mar/msg00001.html
- http://lists.apple.com/archives/security-announce/2016/Mar/msg00002.htmlThird Party Advisory
- http://lists.apple.com/archives/security-announce/2016/Mar/msg00004.htmlMailing List
- 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.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://www.securityfocus.com/bid/79536
- http://www.securitytracker.com/id/1034243
- http://www.ubuntu.com/usn/USN-2834-1Third Party Advisory
- http://xmlsoft.org/news.htmlVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1276693Issue Tracking
- https://git.gnome.org/browse/libxml2/commit/?id=69030714cde66d525a8884bda01b9e8f0abf8e1e
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04944172Third Party Advisory
- https://security.gentoo.org/glsa/201701-37
- https://support.apple.com/HT206166Vendor Advisory
- https://support.apple.com/HT206167Vendor Advisory
- https://support.apple.com/HT206168Vendor Advisory
- https://support.apple.com/HT206169Vendor Advisory
- http://lists.apple.com/archives/security-announce/2016/Mar/msg00000.html
- http://lists.apple.com/archives/security-announce/2016/Mar/msg00001.html
- http://lists.apple.com/archives/security-announce/2016/Mar/msg00002.htmlThird Party Advisory
- http://lists.apple.com/archives/security-announce/2016/Mar/msg00004.htmlMailing List
- http://lists.opensuse.org/opensuse-updates/2015-12/msg00120.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.