CVSS: 6.5EPSS: 0%CPEs: 4EXPL: 1CVE-2020-35652
https://notcve.org/view.php?id=CVE-2020-35652
An issue was discovered in res_pjsip_diversion.c in Sangoma Asterisk before 13.38.0, 14.x through 16.x before 16.15.0, 17.x before 17.9.0, and 18.x before 18.1.0. A crash can occur when a SIP message is received with a History-Info header that contains a tel-uri, or when a SIP 181 response is received that contains a tel-uri in the Diversion header. Se detectó un problema en el archivo res_pjsip_diversion.c en Sangoma Asterisk versiones anteriores a 13.38.0, versiones 14.x hasta 16.x versiones anteriores a 16.15.0, versiones 17.x anteriores a 17.9.0 y versiones 18.x anteriores a 18.1.0. Puede ocurrir un bloqueo cuando es recibido un mensaje SIP con un encabezado History-Info que contiene un tel-uri, o cuando es recibida una respuesta SIP 181 que contiene un tel-uri en el encabezado Diversion • https://downloads.asterisk.org/pub/security/AST-2020-003.html https://downloads.asterisk.org/pub/security/AST-2020-004.html https://issues.asterisk.org/jira/browse/ASTERISK-29191 https://issues.asterisk.org/jira/browse/ASTERISK-29219 •
CVSS: 7.5EPSS: 78%CPEs: 7EXPL: 1CVE-2018-7284 – Asterisk chan_pjsip 15.2.0 - 'SUBSCRIBE' Stack Corruption
https://notcve.org/view.php?id=CVE-2018-7284
A Buffer Overflow issue was discovered in Asterisk through 13.19.1, 14.x through 14.7.5, and 15.x through 15.2.1, and Certified Asterisk through 13.18-cert2. When processing a SUBSCRIBE request, the res_pjsip_pubsub module stores the accepted formats present in the Accept headers of the request. This code did not limit the number of headers it processed, despite having a fixed limit of 32. If more than 32 Accept headers were present, the code would write outside of its memory and cause a crash. Se ha descubierto un problema de desbordamiento de búfer en Asterisk hasta la versión 13.19.1; versiones 14.x anteriores a la 14.7.5 y las versiones 15.x anteriores a la 15.2.1, así como Certified Asterisk hasta la versión 13.18-cert2. • https://www.exploit-db.com/exploits/44184 http://downloads.asterisk.org/pub/security/AST-2018-004.html http://www.securityfocus.com/bid/103151 http://www.securitytracker.com/id/1040416 https://www.debian.org/security/2018/dsa-4320 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •
CVSS: 7.5EPSS: 69%CPEs: 15EXPL: 1CVE-2017-17090 – Asterisk 13.17.2 - 'chan_skinny' Remote Memory Corruption
https://notcve.org/view.php?id=CVE-2017-17090
An issue was discovered in chan_skinny.c in Asterisk Open Source 13.18.2 and older, 14.7.2 and older, and 15.1.2 and older, and Certified Asterisk 13.13-cert7 and older. If the chan_skinny (aka SCCP protocol) channel driver is flooded with certain requests, it can cause the asterisk process to use excessive amounts of virtual memory, eventually causing asterisk to stop processing requests of any kind. Se ha descubierto un problema en chan_skinny.c en Asterisk Open Source en versiones 13.18.2 y anteriores, 14.7.2 y anteriores y 15.1.2 y anteriores y en Certified Asterisk 13.13-cert7 y anteriores. Si el controlador de canal chan_skinny (también conocido como protocolo SCCP) se inunda a base de determinadas peticiones, puede provocar que el proceso de asterisk utilice cantidades excesivas de memoria virtual, finalmente provocando que asterisk deje de procesar cualquier tipo de peticiones. • https://www.exploit-db.com/exploits/43992 http://downloads.digium.com/pub/security/AST-2017-013.html http://www.securityfocus.com/bid/102023 http://www.securitytracker.com/id/1039948 https://issues.asterisk.org/jira/browse/ASTERISK-27452 https://lists.debian.org/debian-lts-announce/2017/12/msg00028.html https://www.debian.org/security/2017/dsa-4076 • CWE-459: Incomplete Cleanup •
CVSS: 7.5EPSS: 0%CPEs: 189EXPL: 0CVE-2017-14603
https://notcve.org/view.php?id=CVE-2017-14603
In Asterisk 11.x before 11.25.3, 13.x before 13.17.2, and 14.x before 14.6.2 and Certified Asterisk 11.x before 11.6-cert18 and 13.x before 13.13-cert6, insufficient RTCP packet validation could allow reading stale buffer contents and when combined with the "nat" and "symmetric_rtp" options allow redirecting where Asterisk sends the next RTCP report. En Asterisk enversiones 11.x anteriores a la 11.25.3, versiones 13.x anteriores a la 13.17.2 y versiones 14.x anteriores a la 14.6.2; y en Certified Asterisk en versiones 11.x anteriores a la 11.6-cert18 y versiones 13.x anteriores a la 13.13-cert6, una validación insuficiente de paquetes RTCP podría permitir la lectura de contenidos obsoletos del búfer y, cuando se combina con las opciones "nat" y "symmetric_rtp", permite las redirecciones en las que Asterisk envía el siguiente informe RTCP. • http://downloads.asterisk.org/pub/security/AST-2017-008.html http://www.debian.org/security/2017/dsa-3990 https://issues.asterisk.org/jira/browse/ASTERISK-27274 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •
CVSS: 7.5EPSS: 2%CPEs: 189EXPL: 0CVE-2017-14099
https://notcve.org/view.php?id=CVE-2017-14099
In res/res_rtp_asterisk.c in Asterisk 11.x before 11.25.2, 13.x before 13.17.1, and 14.x before 14.6.1 and Certified Asterisk 11.x before 11.6-cert17 and 13.x before 13.13-cert5, unauthorized data disclosure (media takeover in the RTP stack) is possible with careful timing by an attacker. The "strictrtp" option in rtp.conf enables a feature of the RTP stack that learns the source address of media for a session and drops any packets that do not originate from the expected address. This option is enabled by default in Asterisk 11 and above. The "nat" and "rtp_symmetric" options (for chan_sip and chan_pjsip, respectively) enable symmetric RTP support in the RTP stack. This uses the source address of incoming media as the target address of any sent media. • http://downloads.asterisk.org/pub/security/AST-2017-005.html http://www.debian.org/security/2017/dsa-3964 http://www.securitytracker.com/id/1039251 https://bugs.debian.org/873907 https://issues.asterisk.org/jira/browse/ASTERISK-27013 https://rtpbleed.com https://security.gentoo.org/glsa/201710-29 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •