CVE-2015-1819: XEE
First published: Fri Aug 14 2015(Updated: )
The xmlreader in libxml allows remote attackers to cause a denial of service (memory consumption) via crafted XML data, related to an XML Entity Expansion (XEE) attack.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| rubygems/nokogiri | >=1.6.6.0<=1.6.6.3 | 1.6.6.4 |
| Debian Linux | =7.0 | |
| Debian Linux | =8.0 | |
| Ubuntu | =12.04 | |
| Ubuntu | =14.04 | |
| Ubuntu | =15.04 | |
| Red Hat Enterprise Linux | <=5.0 | |
| libxml2 | ||
| Oracle Solaris and Zettabyte File System (ZFS) | =11.3 | |
| iPhone OS | <=9.2.1 | |
| Apple iOS and macOS | <=10.11.3 | |
| tvOS | <=9.1 | |
| Apple iOS, iPadOS, and watchOS | <=2.1 | |
| Oracle Linux | =7 | |
| openSUSE | =13.1 | |
| openSUSE | =13.2 | |
| Red Hat Fedora | =22 | |
| Red Hat Fedora | =23 |
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2015-1819
- https://git.gnome.org/browse/libxml2/commit/?id=213f1fe0d76d30eaed6e5853057defc43e6df2c9
- https://security.gentoo.org/glsa/201507-08
- https://security.gentoo.org/glsa/201701-37
- https://support.apple.com/HT206166
- https://support.apple.com/HT206167
- https://support.apple.com/HT206168
- https://support.apple.com/HT206169
- 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.html
- http://lists.apple.com/archives/security-announce/2016/Mar/msg00004.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172710.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172943.html
- http://lists.opensuse.org/opensuse-updates/2015-12/msg00120.html
- http://lists.opensuse.org/opensuse-updates/2016-01/msg00031.html
- http://rhn.redhat.com/errata/RHSA-2015-1419.html
- http://rhn.redhat.com/errata/RHSA-2015-2550.html
- http://www.debian.org/security/2015/dsa-3430
- http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://www.ubuntu.com/usn/USN-2812-1
- http://xmlsoft.org/news.html
- https://github.com/sparklemotion/nokogiri/issues/1374
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/nokogiri/CVE-2015-1819.yml
- https://github.com/advisories/GHSA-q7wx-62r7-j2x7 (Advisory)
- http://www.securityfocus.com/bid/75570
- http://www.securitytracker.com/id/1034243
Frequently Asked Questions
What is the severity of CVE-2015-1819?
CVE-2015-1819 has been rated as a medium severity vulnerability.
How do I fix CVE-2015-1819?
To fix CVE-2015-1819, update the affected versions of the libxml2 library and any dependent software to the latest releases.
What types of attacks does CVE-2015-1819 enable?
CVE-2015-1819 allows remote attackers to perform denial of service attacks through crafted XML data.
Which software is affected by CVE-2015-1819?
CVE-2015-1819 affects several software packages including libxml2 and various Linux distributions like Debian and Ubuntu.
What is an XML Entity Expansion attack related to CVE-2015-1819?
An XML Entity Expansion attack is a type of denial of service attack that exploits the XML parser's handling of deeply nested entities, leading to excessive memory consumption.
- collector/github-advisory-latest
- alias/GHSA-q7wx-62r7-j2x7
- alias/CVE-2015-1819
- collector/github-advisory
- agent/references
- agent/first-publish-date
- agent/type
- agent/last-modified-date
- agent/weakness
- agent/remedy
- agent/severity
- agent/author
- agent/description
- agent/event
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- package-manager/rubygems
- vendor/debian
- canonical/debian linux
- version/debian linux/7.0
- version/debian linux/8.0
- vendor/canonical
- canonical/ubuntu
- version/ubuntu/12.04
- version/ubuntu/14.04
- version/ubuntu/15.04
- vendor/redhat
- canonical/red hat enterprise linux
- version/red hat enterprise linux/5.0
- vendor/xmlsoft
- canonical/libxml2
- vendor/oracle
- canonical/oracle solaris and zettabyte file system (zfs)
- version/oracle solaris and zettabyte file system (zfs)/11.3
- vendor/apple
- canonical/iphone os
- version/iphone os/9.2.1
- canonical/apple ios and macos
- version/apple ios and macos/10.11.3
- canonical/tvos
- version/tvos/9.1
- canonical/apple ios, ipados, and watchos
- version/apple ios, ipados, and watchos/2.1
- canonical/oracle linux
- version/oracle linux/7
- vendor/opensuse
- canonical/opensuse
- version/opensuse/13.1
- version/opensuse/13.2
- vendor/fedoraproject
- canonical/red hat fedora
- version/red hat fedora/22
- version/red hat fedora/23