CVE-2026-57202
CVE-2026-57202 · Asterisk: ARI setChannelVar bypasses live_dangerously and permits FILE() writes
Esta página presenta datos de fuentes públicas de vulnerabilidades. Consulta el aviso original antes de actualizar.
Esta página muestra una selección de datos de las fuentes. Consulte los avisos enlazados para ver la descripción completa y las versiones afectadas.
Asterisk is an open source private branch exchange and telephony toolkit. Prior to Asterisk 20.20.1, 21.12.3, 22.10.1, 23.4.1 and Certified Asterisk 20.7-cert11, 22.8-cert3, an authenticated Asterisk REST Interface (ARI) attacker with read-only privileges may use `setChannelVar` to execute write dialplan functions, including `FILE()` writes, even when `live_dangerously` in `asterisk.conf` is set to no. The Asterisk HTTP web server must be enabled and reachable, and the attacker must already have valid `read-only ARI credentials`. HTTP is disabled by default and binds only to 127.0.0.1 by default even when enabled. This issue is fixed in Asterisk 20.20.1, 21.12.3, 22.10.1, 23.4.1 and Certified Asterisk 20.7-cert11, 22.8-cert3.
CVSS 8.1 · Alta · EPSS 0,4% · Corrección disponible
- Publicación
- Actualización
Pila tecnológica: system
Productos y versiones afectados
asterisk
- Versiones
- < 20.20.1: Afectada
- >= 21.0.0-pre1, < 21.12.3: Afectada
- >= 22.0.0-pre1, < 22.10.1: Afectada
- >= 23.0.0-pre1, < 23.4.1: Afectada
Sin corrección publicada
certified-asterisk
- Versiones
- < 20.7-cert11: Afectada
- >= 22.8-cert1-pre1, < 22.8-cert3: Afectada
Sin corrección publicada
asterisk Debian:14
- Versiones
- 0.1.11-3
- 0.1.11-3woody1
- 1:1.0.5-2
- 1:1.0.5-4
- 1:1.0.6-1
- 1:1.0.6-2
- 1:1.0.7-1
- 1:1.0.7.dfsg.1-1
- 1:1.0.7.dfsg.1-2
- 1:1.0.7.dfsg.1-2sarge1
- 1:1.0.7.dfsg.1-2sarge2
- 1:1.0.7.dfsg.1-2sarge3
- 1:1.0.7.dfsg.1-2sarge4
- 1:1.0.7.dfsg.1-2sarge5
- 1:1.0.7.dfsg.1-2sarge6
- 1:1.0.9.dfsg-1
- 1:1.0.9.dfsg-3
- 1:1.0.9.dfsg-4
- 1:1.0.9.dfsg-5
- 1:1.0.9.dfsg-6
- 1:1.2.0-beta1.dfsg-1
- 1:1.2.0-beta2.dfsg-1
- 1:1.2.0-beta2.dfsg-2
- 1:1.2.0-beta2.dfsg-3
- 1:1.2.0-rc1.dfsg-1
- 1:1.2.0-rc2.dfsg-1
- 1:1.2.0.dfsg-1
- 1:1.2.0.dfsg-2
- 1:1.2.0.dfsg-3
- 1:1.2.0.dfsg-4
- 1:1.2.0.dfsg-5
- 1:1.2.0.dfsg-6
- 1:1.2.1.dfsg-1
- 1:1.2.1.dfsg-2
- 1:1.2.1.dfsg-3
- 1:1.2.10.dfsg-1
- 1:1.2.10.dfsg-1bpo1
- 1:1.2.10.dfsg-2
- 1:1.2.10.dfsg-3
- 1:1.2.11.dfsg-1
- 1:1.2.12.1.dfsg-1
- 1:1.2.13~dfsg-1
- 1:1.2.13~dfsg-2
- 1:1.2.13~dfsg-2etch1
- 1:1.2.13~dfsg-2etch2
- 1:1.2.13~dfsg-2etch3
- 1:1.2.13~dfsg-2etch4
- 1:1.2.14~dfsg-1
- 1:1.2.14~dfsg-2
- 1:1.2.14~dfsg-3
- 1:1.2.14~dfsg-4
- 1:1.2.15~dfsg-1
- 1:1.2.16~dfsg-1
- 1:1.2.17~dfsg-1
- 1:1.2.4.dfsg-1
- 1:1.2.4.dfsg-2
- 1:1.2.4.dfsg-3
- 1:1.2.4.dfsg-4
- 1:1.2.4.dfsg-5
- 1:1.2.4.dfsg-6
- 1:1.2.4.dfsg-6+b1
- 1:1.2.4.dfsg-7
- 1:1.2.7.1.dfsg-1
- 1:1.2.7.1.dfsg-2
- 1:1.2.7.1.dfsg-3
- 1:1.2.9.1.dfsg-1
- 1:1.4.10~dfsg-1
- 1:1.4.11~dfsg-1
- 1:1.4.11~dfsg-2
- 1:1.4.11~dfsg-3
- 1:1.4.11~dfsg-4
- 1:1.4.13~dfsg-1
- 1:1.4.15~dfsg-1
- 1:1.4.16.2~dfsg-1
- 1:1.4.16.2~dfsg-2
- 1:1.4.17~dfsg-1
- 1:1.4.17~dfsg-2
- 1:1.4.18.1~dfsg-1
- 1:1.4.18~dfsg-1
- 1:1.4.19.1~dfsg-1
- 1:1.4.20~dfsg-1
- 1:1.4.21.1~dfsg-1
- 1:1.4.21.2~dfsg-1
- 1:1.4.21.2~dfsg-2
- 1:1.4.21.2~dfsg-3
- 1:1.4.21.2~dfsg-3+lenny1
- 1:1.4.21.2~dfsg-3+lenny2
- 1:1.4.21.2~dfsg-3+lenny2.1
- 1:1.4.21.2~dfsg-3+lenny3
- 1:1.4.21.2~dfsg-3+lenny5
- 1:1.4.21.2~dfsg-3+lenny6
- 1:1.4.21.2~dfsg-3.1
- 1:1.4.2~dfsg-1
- 1:1.4.2~dfsg-2
- 1:1.4.2~dfsg-3
- 1:1.4.2~dfsg-4
- 1:1.4.2~dfsg-5
- 1:1.4.3~dfsg-1
- 1:1.4.4~dfsg-1
- 1:1.4.4~dfsg-2
- 1:1.4.4~dfsg-3
- 1:1.4.5~dfsg-1
- 1:1.4.6~dfsg-1
- 1:1.4.8~dfsg-1
- 1:1.4.8~dfsg-2
- 1:1.4.9~dfsg-1
- 1:1.6.1.0~dfsg-1
- 1:1.6.1.0~dfsg~rc3-1
- 1:1.6.2.0-1
- 1:1.6.2.0~dfsg~beta3-1
- 1:1.6.2.0~dfsg~rc1-1
- 1:1.6.2.0~rc3-1
- 1:1.6.2.0~rc3-2
- 1:1.6.2.0~rc6-1
- 1:1.6.2.0~rc7-1
- 1:1.6.2.2-1
- 1:1.6.2.6-1
- 1:1.6.2.7-1
- 1:1.6.2.9-1
- 1:1.6.2.9-1~bpo50+1
- 1:1.6.2.9-1~bpo50+2
- 1:1.6.2.9-1~bpo50+3
- 1:1.6.2.9-2
- 1:1.6.2.9-2+squeeze1
- 1:1.6.2.9-2+squeeze10
- 1:1.6.2.9-2+squeeze11
- 1:1.6.2.9-2+squeeze12
- 1:1.6.2.9-2+squeeze2
- 1:1.6.2.9-2+squeeze3
- 1:1.6.2.9-2+squeeze4
- 1:1.6.2.9-2+squeeze5
- 1:1.6.2.9-2+squeeze6
- 1:1.6.2.9-2+squeeze7
- 1:1.6.2.9-2+squeeze8
- 1:1.6.2.9-2+squeeze9
- 1:1.8.10.0~dfsg-1
- 1:1.8.10.1~dfsg-1
- 1:1.8.11.1~dfsg-1
- 1:1.8.13.0~dfsg-1
- 1:1.8.13.0~dfsg-1~bpo60+1
- 1:1.8.13.1~dfsg-1
- 1:1.8.13.1~dfsg-1+powerpcspe1
- 1:1.8.13.1~dfsg-1~bpo60+1
- 1:1.8.13.1~dfsg-2
- 1:1.8.13.1~dfsg-3
- 1:1.8.3.3-1
- 1:1.8.4-1
- 1:1.8.4.2-1
- 1:1.8.4.3-1
- 1:1.8.4.4~dfsg-1
- 1:1.8.4.4~dfsg-2
- 1:1.8.7.1~dfsg-1
- 1:1.8.7.1~dfsg-2
- 1:1.8.7.1~dfsg-3
- 1:1.8.8.0~dfsg-1
- 1:1.8.8.2~dfsg-1
- 1:11.10.0~dfsg-1
- 1:11.10.0~dfsg-1~bpo70+1
- 1:11.10.2~dfsg-1
- 1:11.10.2~dfsg-1~bpo70+1
- 1:11.11.0~dfsg-1
- 1:11.11.0~dfsg-1~bpo70+1
- 1:11.11.0~dfsg-2
- 1:11.12.0~dfsg-1
- 1:11.12.0~dfsg-1~bpo70+1
- 1:11.12.1~dfsg-1
- 1:11.13.0~dfsg-1
- 1:11.13.0~dfsg-1~bpo70+1
- 1:11.13.1~dfsg-1
- 1:11.13.1~dfsg-2
- 1:11.13.1~dfsg-2~bpo70+1
- 1:11.5.1~dfsg-1
- 1:11.5.1~dfsg-2
- 1:11.5.1~dfsg1-1
- 1:11.5.1~dfsg1-1~bpo70+1
- 1:11.6.0~dfsg-1
- 1:11.6.0~dfsg-2
- 1:11.6.0~dfsg-3
- 1:11.7.0~dfsg-1
- 1:11.7.0~dfsg-1+e1
- 1:11.7.0~dfsg-1~bpo70+1
- 1:11.8.0~dfsg-1
- 1:11.8.0~dfsg-2
- 1:11.8.1~dfsg-1
- 1:11.8.1~dfsg-1~bpo70+1
- 1:11.9.0~dfsg-1
- 1:11.9.0~dfsg-2
- 1:11.9.0~dfsg-2~bpo70+1
- 1:13.0.0~dfsg-1
- 1:13.0.0~dfsg-2
- 1:13.1.0~dfsg-1
- 1:13.1.0~dfsg-1.1
- 1:13.10.0~dfsg-1
- 1:13.11.2~dfsg-1
- 1:13.12.1~dfsg-1
- 1:13.12.2~dfsg-1
- 1:13.12.2~dfsg-2
- 1:13.13.1~dfsg-1
- 1:13.13.1~dfsg-2
- 1:13.13.1~dfsg-3
- 1:13.13.1~dfsg-3~exp1
- 1:13.13.1~dfsg-4
- 1:13.14.0~dfsg-1
- 1:13.14.0~dfsg-1~exp1
- 1:13.14.1~dfsg-1
- 1:13.14.1~dfsg-2
- 1:13.17.0~dfsg-1
- 1:13.17.0~dfsg-2
- 1:13.17.1~dfsg-1
- 1:13.17.2~dfsg-1
- 1:13.17.2~dfsg-2
- 1:13.18.1~dfsg-1
- 1:13.18.3~dfsg-1
- 1:13.18.5~dfsg-1
- 1:13.20.0~dfsg-1
- 1:13.22.0~dfsg-1
- 1:13.22.0~dfsg-2
- 1:13.23.1~dfsg-1
- 1:13.23.1~dfsg-2
- 1:13.7.2~dfsg-1
Actualiza a 1:22.10.1+dfsg+~cs6.17.60671434-1
asterisk Ubuntu:Pro:16.04:LTS
- Versiones
- 1:13.1.0~dfsg-1.1ubuntu3
- 1:13.1.0~dfsg-1.1ubuntu4
- 1:13.1.0~dfsg-1.1ubuntu4.1
- 1:13.1.0~dfsg-1.1ubuntu4.1+esm1
- Intervalos de versiones afectados
- ECOSYSTEM: (−∞, +∞)
Sin corrección publicada
asterisk Ubuntu:18.04:LTS
- Versiones
- 1:13.17.2~dfsg-1ubuntu1
- 1:13.17.2~dfsg-2ubuntu1
- 1:13.18.1~dfsg-1ubuntu1
- 1:13.18.3~dfsg-1ubuntu1
- 1:13.18.3~dfsg-1ubuntu2
- 1:13.18.3~dfsg-1ubuntu3
- 1:13.18.3~dfsg-1ubuntu4
- Intervalos de versiones afectados
- ECOSYSTEM: (−∞, +∞)
Sin corrección publicada
asterisk Ubuntu:20.04:LTS
- Versiones
- 1:16.2.1~dfsg-2build2
- 1:16.2.1~dfsg-2build3
- 1:16.2.1~dfsg-2ubuntu1
- Intervalos de versiones afectados
- ECOSYSTEM: (−∞, +∞)
Sin corrección publicada
asterisk Ubuntu:22.04:LTS
- Versiones
- 1:16.16.1~dfsg-2
- 1:16.16.1~dfsg-4
- 1:16.16.1~dfsg-4build1
- 1:16.16.1~dfsg+~2.10-1
- 1:18.10.0~dfsg+~cs6.10.40431411-2
- Intervalos de versiones afectados
- ECOSYSTEM: (−∞, +∞)
Sin corrección publicada
asterisk Ubuntu:24.04:LTS
- Versiones
- 1:20.4.0~dfsg+~cs6.13.40431414-2
- 1:20.5.0~dfsg+~cs6.13.40431414-1
- 1:20.5.1~dfsg+~cs6.13.40431414-1
- 1:20.5.2~dfsg+~cs6.13.40431414-1
- 1:20.6.0~dfsg+~cs6.13.40431414-1
- 1:20.6.0~dfsg+~cs6.13.40431414-2
- 1:20.6.0~dfsg+~cs6.13.40431414-2build3
- 1:20.6.0~dfsg+~cs6.13.40431414-2build4
- 1:20.6.0~dfsg+~cs6.13.40431414-2build5
- Intervalos de versiones afectados
- ECOSYSTEM: (−∞, +∞)
Sin corrección publicada
asterisk Ubuntu:26.10
- Versiones
- 1:22.5.2~dfsg+~cs6.15.60671435-1
- 1:22.10.0+dfsg+~cs6.17.60671434-1ubuntu2
- 1:22.10.0+dfsg+~cs6.17.60671434-1ubuntu3
- Intervalos de versiones afectados
- ECOSYSTEM: (−∞, +∞)
Sin corrección publicada
asterisk Ubuntu:26.04:LTS
- Versiones
- 1:22.5.2~dfsg+~cs6.15.60671435-1
- Intervalos de versiones afectados
- ECOSYSTEM: (−∞, +∞)
Sin corrección publicada
Fuentes originales
- https://github.com/asterisk/asterisk/security/advisories/GHSA-vrfp-mg3q-3959
- https://github.com/asterisk/asterisk/commit/8f8ccaf70a80e518147b0c35c0c252de4735446f
- https://github.com/asterisk/asterisk/commit/92a5dd1003b737ae1cd2df4e60b73beb8d5e42bb
- https://github.com/asterisk/asterisk/commit/ba04e7f1f98887c3c6e0dc4ddce663021f7e948a
- https://github.com/asterisk/asterisk/commit/bf9354267557ef6d6b75f5304faa243f595a5a66
- https://github.com/asterisk/asterisk/commit/caa4d50d9c3bf04fc979b5b2cdc5dc425772d845
- https://github.com/asterisk/asterisk/commit/d47b0b6e5a384746db194f751b53d559aba8dba9
- https://github.com/asterisk/asterisk/commit/d8614505b27688dec3a1d14554f52fda94712928
- https://github.com/asterisk/asterisk/releases/tag/20.20.1
- https://github.com/asterisk/asterisk/releases/tag/21.12.3
- https://github.com/asterisk/asterisk/releases/tag/22.10.1
- https://github.com/asterisk/asterisk/releases/tag/23.4.1
- https://github.com/asterisk/asterisk/releases/tag/certified-20.7-cert11
- https://github.com/asterisk/asterisk/releases/tag/certified-22.8-cert3
- https://github.com/asterisk/asterisk/tree/24.0.0-pre1
- https://nvd.nist.gov/vuln/detail/CVE-2026-57202