Vulnerabilidad en telnetd en FreeBSD (CVE-2011-4862)
Gravedad CVSS v2.0:
ALTA
Tipo:
CWE-120
Copia de búfer sin comprobación del tamaño de entrada (Desbordamiento de búfer clásico)
Fecha de publicación:
25/12/2011
Última modificación:
11/04/2025
Descripción
Desbordamiento de búfer basado en pila en libtelnet/encrypt.c en telnetd en FreeBSD v7.3 hasta v9.0, MIT Kerberos Version v5 Applications (también conocido como krb5-appl) v1.0.2 y anteriores, y Heimdal v1.5.1 y anteriores, permite a atacantes remotos ejecutar código de su elección a través de una clave de cifrado larga, como fue explotado en Diciembre 2011.
Impacto
Puntuación base 2.0
10.00
Gravedad 2.0
ALTA
Productos y versiones vulnerables
| CPE | Desde | Hasta |
|---|---|---|
| cpe:2.3:a:gnu:inetutils:*:*:*:*:*:*:*:* | 1.9 (excluyendo) | |
| cpe:2.3:a:heimdal_project:heimdal:*:*:*:*:*:*:*:* | 1.5.1 (incluyendo) | |
| cpe:2.3:a:mit:krb5-appl:*:*:*:*:*:*:*:* | 1.0.2 (incluyendo) | |
| cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:* | 7.3 (incluyendo) | 9.0 (incluyendo) |
| cpe:2.3:o:fedoraproject:fedora:15:*:*:*:*:*:*:* | ||
| cpe:2.3:o:fedoraproject:fedora:16:*:*:*:*:*:*:* | ||
| cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:* | ||
| cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:* | ||
| cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* | ||
| cpe:2.3:o:opensuse:opensuse:11.3:*:*:*:*:*:*:* | ||
| cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:* | ||
| cpe:2.3:o:suse:linux_enterprise_desktop:10:sp4:*:*:-:*:*:* | ||
| cpe:2.3:o:suse:linux_enterprise_desktop:11:sp1:*:*:*:*:*:* | ||
| cpe:2.3:o:suse:linux_enterprise_server:9:*:*:*:*:*:*:* | ||
| cpe:2.3:o:suse:linux_enterprise_server:10:sp2:*:*:*:*:*:* |
Para consultar la lista completa de nombres de CPE con productos y versiones, ver esta página
Referencias a soluciones, herramientas e información
- http://archives.neohapsis.com/archives/bugtraq/2011-12/0172.html
- http://git.savannah.gnu.org/cgit/inetutils.git/commit/?id=665f1e73cdd9b38e2d2e11b8db9958a315935592
- http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071627.html
- http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071640.html
- http://lists.freebsd.org/pipermail/freebsd-security/2011-December/006117.html
- http://lists.freebsd.org/pipermail/freebsd-security/2011-December/006118.html
- http://lists.freebsd.org/pipermail/freebsd-security/2011-December/006119.html
- http://lists.freebsd.org/pipermail/freebsd-security/2011-December/006120.html
- http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00002.html
- http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00007.html
- http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00010.html
- http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00011.html
- http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00014.html
- http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00015.html
- http://osvdb.org/78020
- http://secunia.com/advisories/46239
- http://secunia.com/advisories/47341
- http://secunia.com/advisories/47348
- http://secunia.com/advisories/47357
- http://secunia.com/advisories/47359
- http://secunia.com/advisories/47373
- http://secunia.com/advisories/47374
- http://secunia.com/advisories/47397
- http://secunia.com/advisories/47399
- http://secunia.com/advisories/47441
- http://security.freebsd.org/advisories/FreeBSD-SA-11:08.telnetd.asc
- http://security.freebsd.org/patches/SA-11:08/telnetd.patch
- http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2011-008.txt
- http://www.debian.org/security/2011/dsa-2372
- http://www.debian.org/security/2011/dsa-2373
- http://www.debian.org/security/2011/dsa-2375
- http://www.exploit-db.com/exploits/18280/
- http://www.mandriva.com/security/advisories?name=MDVSA-2011%3A195
- http://www.redhat.com/support/errata/RHSA-2011-1851.html
- http://www.redhat.com/support/errata/RHSA-2011-1852.html
- http://www.redhat.com/support/errata/RHSA-2011-1853.html
- http://www.redhat.com/support/errata/RHSA-2011-1854.html
- http://www.securitytracker.com/id?1026460=
- http://www.securitytracker.com/id?1026463=
- https://exchange.xforce.ibmcloud.com/vulnerabilities/71970
- http://archives.neohapsis.com/archives/bugtraq/2011-12/0172.html
- http://git.savannah.gnu.org/cgit/inetutils.git/commit/?id=665f1e73cdd9b38e2d2e11b8db9958a315935592
- http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071627.html
- http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071640.html
- http://lists.freebsd.org/pipermail/freebsd-security/2011-December/006117.html
- http://lists.freebsd.org/pipermail/freebsd-security/2011-December/006118.html
- http://lists.freebsd.org/pipermail/freebsd-security/2011-December/006119.html
- http://lists.freebsd.org/pipermail/freebsd-security/2011-December/006120.html
- http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00002.html
- http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00007.html
- http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00010.html
- http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00011.html
- http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00014.html
- http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00015.html
- http://osvdb.org/78020
- http://secunia.com/advisories/46239
- http://secunia.com/advisories/47341
- http://secunia.com/advisories/47348
- http://secunia.com/advisories/47357
- http://secunia.com/advisories/47359
- http://secunia.com/advisories/47373
- http://secunia.com/advisories/47374
- http://secunia.com/advisories/47397
- http://secunia.com/advisories/47399
- http://secunia.com/advisories/47441
- http://security.freebsd.org/advisories/FreeBSD-SA-11:08.telnetd.asc
- http://security.freebsd.org/patches/SA-11:08/telnetd.patch
- http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2011-008.txt
- http://www.debian.org/security/2011/dsa-2372
- http://www.debian.org/security/2011/dsa-2373
- http://www.debian.org/security/2011/dsa-2375
- http://www.exploit-db.com/exploits/18280/
- http://www.mandriva.com/security/advisories?name=MDVSA-2011%3A195
- http://www.redhat.com/support/errata/RHSA-2011-1851.html
- http://www.redhat.com/support/errata/RHSA-2011-1852.html
- http://www.redhat.com/support/errata/RHSA-2011-1853.html
- http://www.redhat.com/support/errata/RHSA-2011-1854.html
- http://www.securitytracker.com/id?1026460=
- http://www.securitytracker.com/id?1026463=
- https://exchange.xforce.ibmcloud.com/vulnerabilities/71970