Vulnerabilidad en la función xmlParseXMLDecl en parser.c en libxml2 (CVE-2015-8317)
Gravedad CVSS v2.0:
MEDIA
Tipo:
CWE-119
Restricción de operaciones inapropiada dentro de los límites del búfer de la memoria
Fecha de publicación:
15/12/2015
Última modificación:
12/04/2025
Descripción
La función xmlParseXMLDecl en parser.c en libxml2 en versiones anteriores a 2.9.3 permite a atacantes dependientes del contexto obtener información sensible a través de (1) un valor de codificiación indeterminado o (2) una declaración XML incompleta en datos XML, lo que desencadena una lectura de memoria dinámica fuera de rango.
Impacto
Puntuación base 2.0
5.00
Gravedad 2.0
MEDIA
Productos y versiones vulnerables
| CPE | Desde | Hasta |
|---|---|---|
| cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* | ||
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | ||
| cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* | ||
| cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* | ||
| cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:* | ||
| cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* | ||
| cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:* | 2.9.2 (incluyendo) | |
| cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* | ||
| cpe:2.3:o:redhat:enterprise_linux_hpc_node:6.0:*:*:*:*:*:*:* | ||
| cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* | ||
| cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* | ||
| cpe:2.3:a:hp:icewall_federation_agent:3.0:*:*:*:*:*:*:* | ||
| cpe:2.3:a:hp:icewall_file_manager:3.0:*:*:*:*:*:*:* |
Para consultar la lista completa de nombres de CPE con productos y versiones, ver esta página
Referencias a soluciones, herramientas e información
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.html
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00001.html
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00002.html
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00003.html
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00005.html
- 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=2
- http://rhn.redhat.com/errata/RHSA-2015-2549.html
- http://rhn.redhat.com/errata/RHSA-2016-1089.html
- http://www.debian.org/security/2015/dsa-3430
- http://www.openwall.com/lists/oss-security/2015/11/21/1
- http://www.openwall.com/lists/oss-security/2015/11/22/3
- 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/77681
- http://www.securityfocus.com/bid/91826
- http://www.securitytracker.com/id/1034243
- http://www.ubuntu.com/usn/USN-2834-1
- https://blog.fuzzing-project.org/28-Libxml2-Several-out-of-bounds-reads.html
- https://bugzilla.gnome.org/show_bug.cgi?id=751603
- https://bugzilla.gnome.org/show_bug.cgi?id=751631
- https://bugzilla.redhat.com/show_bug.cgi?id=1281930
- https://git.gnome.org/browse/libxml2/commit/?id=709a952110e98621c9b78c4f26462a9d8333102e
- https://git.gnome.org/browse/libxml2/commit/?id=9aa37588ee78a06ca1379a9d9356eab16686099c
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04944172
- https://support.apple.com/HT206899
- https://support.apple.com/HT206901
- https://support.apple.com/HT206902
- https://support.apple.com/HT206903
- https://support.apple.com/HT206904
- https://support.apple.com/HT206905
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.html
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00001.html
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00002.html
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00003.html
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00005.html
- 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=2
- http://rhn.redhat.com/errata/RHSA-2015-2549.html
- http://rhn.redhat.com/errata/RHSA-2016-1089.html
- http://www.debian.org/security/2015/dsa-3430
- http://www.openwall.com/lists/oss-security/2015/11/21/1
- http://www.openwall.com/lists/oss-security/2015/11/22/3
- 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/77681
- http://www.securityfocus.com/bid/91826
- http://www.securitytracker.com/id/1034243
- http://www.ubuntu.com/usn/USN-2834-1
- https://blog.fuzzing-project.org/28-Libxml2-Several-out-of-bounds-reads.html
- https://bugzilla.gnome.org/show_bug.cgi?id=751603
- https://bugzilla.gnome.org/show_bug.cgi?id=751631
- https://bugzilla.redhat.com/show_bug.cgi?id=1281930
- https://git.gnome.org/browse/libxml2/commit/?id=709a952110e98621c9b78c4f26462a9d8333102e
- https://git.gnome.org/browse/libxml2/commit/?id=9aa37588ee78a06ca1379a9d9356eab16686099c
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04944172
- https://support.apple.com/HT206899
- https://support.apple.com/HT206901
- https://support.apple.com/HT206902
- https://support.apple.com/HT206903
- https://support.apple.com/HT206904
- https://support.apple.com/HT206905