CVE-2022-2795
CVE-2022-2795 · Processing large delegations may severely degrade resolver performance
Esta página presenta datos de fuentes públicas de vulnerabilidades. Consulta el aviso original antes de actualizar.
By flooding the target resolver with queries exploiting this flaw an attacker can significantly impair the resolver's performance, effectively denying legitimate clients access to the DNS resolution service.
CVSS 5.3 · Media · EPSS 2,3% · Corrección disponible
- Publicación
- Actualización
Pila tecnológica: system
Productos y versiones afectados
bind9
- Versiones
- Open Source Branches 9.0 through 9.16 9.0.0 through versions before 9.16.33: Afectada
- Open Source Branch 9.18 9.18.0 through versions before 9.18.7: Afectada
- Supported Preview Branches 9.9-S through 9.11-S 9.9.3-S1 through versions up to and including 9.11.37-S1: Afectada
- Supported Preview Branch 9.16-S 9.16.8-S1 through versions before 9.16.33-S1: Afectada
- Development Branch 9.19 9.19.0 through versions before 9.19.5: Afectada
Sin corrección publicada
bind9 Debian:12
- Intervalos de versiones afectados
- ECOSYSTEM: < 1:9.18.7-1
Actualiza a 1:9.18.7-1
bind9 Debian:13
- Intervalos de versiones afectados
- ECOSYSTEM: < 1:9.18.7-1
Actualiza a 1:9.18.7-1
bind9 Debian:14
- Intervalos de versiones afectados
- ECOSYSTEM: < 1:9.18.7-1
Actualiza a 1:9.18.7-1
bind9 Ubuntu:Pro:14.04:LTS
- Versiones
- 1:9.9.3.dfsg.P2-4ubuntu1
- 1:9.9.3.dfsg.P2-4ubuntu2
- 1:9.9.3.dfsg.P2-4ubuntu3
- 1:9.9.5.dfsg-2
- 1:9.9.5.dfsg-3
- 1:9.9.5.dfsg-3ubuntu0.1
- 1:9.9.5.dfsg-3ubuntu0.2
- 1:9.9.5.dfsg-3ubuntu0.3
- 1:9.9.5.dfsg-3ubuntu0.4
- 1:9.9.5.dfsg-3ubuntu0.5
- 1:9.9.5.dfsg-3ubuntu0.6
- 1:9.9.5.dfsg-3ubuntu0.7
- 1:9.9.5.dfsg-3ubuntu0.8
- 1:9.9.5.dfsg-3ubuntu0.9
- 1:9.9.5.dfsg-3ubuntu0.10
- 1:9.9.5.dfsg-3ubuntu0.11
- 1:9.9.5.dfsg-3ubuntu0.12
- 1:9.9.5.dfsg-3ubuntu0.13
- 1:9.9.5.dfsg-3ubuntu0.14
- 1:9.9.5.dfsg-3ubuntu0.15
- 1:9.9.5.dfsg-3ubuntu0.16
- 1:9.9.5.dfsg-3ubuntu0.17
- 1:9.9.5.dfsg-3ubuntu0.18
- 1:9.9.5.dfsg-3ubuntu0.19
- 1:9.9.5.dfsg-3ubuntu0.19+esm1
- 1:9.9.5.dfsg-3ubuntu0.19+esm2
- 1:9.9.5.dfsg-3ubuntu0.19+esm3
- 1:9.9.5.dfsg-3ubuntu0.19+esm4
- 1:9.9.5.dfsg-3ubuntu0.19+esm5
- 1:9.9.5.dfsg-3ubuntu0.19+esm6
- Intervalos de versiones afectados
- ECOSYSTEM: < 1:9.9.5.dfsg-3ubuntu0.19+esm7
Actualiza a 1:9.9.5.dfsg-3ubuntu0.19+esm7
bind9 Ubuntu:Pro:16.04:LTS
- Versiones
- 1:9.9.5.dfsg-11ubuntu1
- 1:9.9.5.dfsg-12
- 1:9.9.5.dfsg-12.1
- 1:9.9.5.dfsg-12.1ubuntu1
- 1:9.10.3.dfsg.P2-4
- 1:9.10.3.dfsg.P2-5
- 1:9.10.3.dfsg.P4-3
- 1:9.10.3.dfsg.P4-4
- 1:9.10.3.dfsg.P4-5
- 1:9.10.3.dfsg.P4-8
- 1:9.10.3.dfsg.P4-8ubuntu1
- 1:9.10.3.dfsg.P4-8ubuntu1.1
- 1:9.10.3.dfsg.P4-8ubuntu1.2
- 1:9.10.3.dfsg.P4-8ubuntu1.3
- 1:9.10.3.dfsg.P4-8ubuntu1.4
- 1:9.10.3.dfsg.P4-8ubuntu1.5
- 1:9.10.3.dfsg.P4-8ubuntu1.6
- 1:9.10.3.dfsg.P4-8ubuntu1.7
- 1:9.10.3.dfsg.P4-8ubuntu1.8
- 1:9.10.3.dfsg.P4-8ubuntu1.9
- 1:9.10.3.dfsg.P4-8ubuntu1.10
- 1:9.10.3.dfsg.P4-8ubuntu1.11
- 1:9.10.3.dfsg.P4-8ubuntu1.12
- 1:9.10.3.dfsg.P4-8ubuntu1.14
- 1:9.10.3.dfsg.P4-8ubuntu1.15
- 1:9.10.3.dfsg.P4-8ubuntu1.16
- 1:9.10.3.dfsg.P4-8ubuntu1.17
- 1:9.10.3.dfsg.P4-8ubuntu1.18
- 1:9.10.3.dfsg.P4-8ubuntu1.19
- 1:9.10.3.dfsg.P4-8ubuntu1.19+esm1
- 1:9.10.3.dfsg.P4-8ubuntu1.19+esm2
- Intervalos de versiones afectados
- ECOSYSTEM: < 1:9.10.3.dfsg.P4-8ubuntu1.19+esm3
Actualiza a 1:9.10.3.dfsg.P4-8ubuntu1.19+esm3
bind9 Ubuntu:18.04:LTS
- Versiones
- 1:9.10.3.dfsg.P4-12.6ubuntu1
- 1:9.11.2.P1-1ubuntu2
- 1:9.11.2.P1-1ubuntu3
- 1:9.11.2.P1-1ubuntu4
- 1:9.11.2.P1-1ubuntu5
- 1:9.11.3+dfsg-1ubuntu1
- 1:9.11.3+dfsg-1ubuntu1.1
- 1:9.11.3+dfsg-1ubuntu1.2
- 1:9.11.3+dfsg-1ubuntu1.3
- 1:9.11.3+dfsg-1ubuntu1.5
- 1:9.11.3+dfsg-1ubuntu1.7
- 1:9.11.3+dfsg-1ubuntu1.8
- 1:9.11.3+dfsg-1ubuntu1.9
- 1:9.11.3+dfsg-1ubuntu1.10
- 1:9.11.3+dfsg-1ubuntu1.11
- 1:9.11.3+dfsg-1ubuntu1.12
- 1:9.11.3+dfsg-1ubuntu1.13
- 1:9.11.3+dfsg-1ubuntu1.14
- 1:9.11.3+dfsg-1ubuntu1.15
- 1:9.11.3+dfsg-1ubuntu1.16
- 1:9.11.3+dfsg-1ubuntu1.17
- Intervalos de versiones afectados
- ECOSYSTEM: < 1:9.11.3+dfsg-1ubuntu1.18
Actualiza a 1:9.11.3+dfsg-1ubuntu1.18
bind9 Ubuntu:20.04:LTS
- Versiones
- 1:9.11.5.P4+dfsg-5.1ubuntu2
- 1:9.11.5.P4+dfsg-5.1ubuntu3
- 1:9.11.5.P4+dfsg-5.1ubuntu4
- 1:9.11.5.P4+dfsg-5.1ubuntu5
- 1:9.11.14+dfsg-1ubuntu1
- 1:9.11.14+dfsg-3ubuntu1
- 1:9.16.0-1ubuntu3
- 1:9.16.0-1ubuntu4
- 1:9.16.0-1ubuntu5
- 1:9.16.1-0ubuntu1
- 1:9.16.1-0ubuntu2
- 1:9.16.1-0ubuntu2.1
- 1:9.16.1-0ubuntu2.2
- 1:9.16.1-0ubuntu2.3
- 1:9.16.1-0ubuntu2.4
- 1:9.16.1-0ubuntu2.6
- 1:9.16.1-0ubuntu2.7
- 1:9.16.1-0ubuntu2.8
- 1:9.16.1-0ubuntu2.9
- 1:9.16.1-0ubuntu2.10
- Intervalos de versiones afectados
- ECOSYSTEM: < 1:9.16.1-0ubuntu2.11
Actualiza a 1:9.16.1-0ubuntu2.11
bind9-libs Ubuntu:20.04:LTS
- Versiones
- 1:9.11.16+dfsg-3~build1
- 1:9.11.16+dfsg-3~ubuntu1
- Intervalos de versiones afectados
- ECOSYSTEM: (−∞, +∞)
Sin corrección publicada
bind9 Ubuntu:22.04:LTS
- Versiones
- 1:9.16.15-1ubuntu1
- 1:9.16.15-1ubuntu2
- 1:9.16.15-1ubuntu3
- 1:9.18.0-2ubuntu1
- 1:9.18.0-2ubuntu2
- 1:9.18.0-2ubuntu3
- 1:9.18.1-1ubuntu1
- 1:9.18.1-1ubuntu1.1
- Intervalos de versiones afectados
- ECOSYSTEM: < 1:9.18.1-1ubuntu1.2
Actualiza a 1:9.18.1-1ubuntu1.2
bind9-libs Ubuntu:22.04:LTS
- Versiones
- 1:9.11.19+dfsg-2.1ubuntu1
- 1:9.11.19+dfsg-2.1ubuntu2
- 1:9.11.19+dfsg-2.1ubuntu3
- Intervalos de versiones afectados
- ECOSYSTEM: (−∞, +∞)
Sin corrección publicada
isc-dhcp Ubuntu:24.04:LTS
- Versiones
- 4.4.3-P1-2ubuntu5
- 4.4.3-P1-4ubuntu1
- 4.4.3-P1-4ubuntu2
- Intervalos de versiones afectados
- ECOSYSTEM: (−∞, +∞)
Sin corrección publicada
isc-dhcp Ubuntu:25.10
- Versiones
- 4.4.3-P1-4ubuntu2
- Intervalos de versiones afectados
- ECOSYSTEM: (−∞, +∞)
Sin corrección publicada
isc-dhcp Ubuntu:26.04:LTS
- Versiones
- 4.4.3-P1-4ubuntu2
- Intervalos de versiones afectados
- ECOSYSTEM: (−∞, +∞)
Sin corrección publicada
Fuentes originales
- https://kb.isc.org/docs/cve-2022-2795
- http://www.openwall.com/lists/oss-security/2022/09/21/3
- https://www.debian.org/security/2022/dsa-5235
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CV4GQWBPF7Y52J2FA24U6UMHQAOXZEF7/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MRHB6J4Z7BKH4HPEKG5D35QGRD6ANNMT/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZJQNUASODNVAWZV6STKG5SD6XIJ446S/
- https://lists.debian.org/debian-lts-announce/2022/10/msg00007.html
- https://security.gentoo.org/glsa/202210-25
- https://security.netapp.com/advisory/ntap-20241129-0002/
- https://nvd.nist.gov/vuln/detail/CVE-2022-2795