CVE-2021-3156
CVE-2021-3156
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.
Sudo before 1.9.5p2 contains an off-by-one error that can result in a heap-based buffer overflow, which allows privilege escalation to root via "sudoedit -s" and a command-line argument that ends with a single backslash character.
CVSS 7.8 · Alta · EPSS 100,0% · En el catálogo KEV · Código de explotación público · Corrección disponible
- Publicación
- Actualización
Pila tecnológica: system
Productos y versiones afectados
n/a
- Versiones
- n/a: Afectada
Sin corrección publicada
sudo Debian:12
- Intervalos de versiones afectados
- ECOSYSTEM: < 1.9.5p1-1.1
Actualiza a 1.9.5p1-1.1
sudo Debian:13
- Intervalos de versiones afectados
- ECOSYSTEM: < 1.9.5p1-1.1
Actualiza a 1.9.5p1-1.1
sudo Debian:14
- Intervalos de versiones afectados
- ECOSYSTEM: < 1.9.5p1-1.1
Actualiza a 1.9.5p1-1.1
sudo Ubuntu:Pro:14.04:LTS
- Versiones
- 1.8.6p3-0ubuntu3
- 1.8.8-2ubuntu1
- 1.8.8-2ubuntu2
- 1.8.9p4-1ubuntu1
- 1.8.9p4-1ubuntu2
- 1.8.9p5-1ubuntu1
- 1.8.9p5-1ubuntu1.1
- 1.8.9p5-1ubuntu1.2
- 1.8.9p5-1ubuntu1.3
- 1.8.9p5-1ubuntu1.4
- 1.8.9p5-1ubuntu1.5+esm1
- 1.8.9p5-1ubuntu1.5+esm2
- 1.8.9p5-1ubuntu1.5+esm3
- 1.8.9p5-1ubuntu1.5+esm5
- Intervalos de versiones afectados
- ECOSYSTEM: < 1.8.9p5-1ubuntu1.5+esm6
Actualiza a 1.8.9p5-1ubuntu1.5+esm6
sudo Ubuntu:16.04:LTS
- Versiones
- 1.8.12-1ubuntu3
- 1.8.16-0ubuntu1
- 1.8.16-0ubuntu1.1
- 1.8.16-0ubuntu1.2
- 1.8.16-0ubuntu1.3
- 1.8.16-0ubuntu1.4
- 1.8.16-0ubuntu1.5
- 1.8.16-0ubuntu1.6
- 1.8.16-0ubuntu1.7
- 1.8.16-0ubuntu1.8
- 1.8.16-0ubuntu1.9
- Intervalos de versiones afectados
- ECOSYSTEM: < 1.8.16-0ubuntu1.10
Actualiza a 1.8.16-0ubuntu1.10
sudo Ubuntu:18.04:LTS
- Versiones
- 1.8.20p2-1ubuntu1
- 1.8.21p2-2ubuntu1
- 1.8.21p2-3ubuntu1
- 1.8.21p2-3ubuntu1.1
- 1.8.21p2-3ubuntu1.2
- 1.8.21p2-3ubuntu1.3
- Intervalos de versiones afectados
- ECOSYSTEM: < 1.8.21p2-3ubuntu1.4
Actualiza a 1.8.21p2-3ubuntu1.4
sudo Ubuntu:20.04:LTS
- Versiones
- 1.8.27-1ubuntu4
- 1.8.29-1ubuntu1
- 1.8.31-1ubuntu1
- 1.8.31-1ubuntu1.1
- Intervalos de versiones afectados
- ECOSYSTEM: < 1.8.31-1ubuntu1.2
Actualiza a 1.8.31-1ubuntu1.2
Fuentes originales
- https://lists.debian.org/debian-lts-announce/2021/01/msg00022.html
- http://seclists.org/fulldisclosure/2021/Jan/79
- http://www.openwall.com/lists/oss-security/2021/01/26/3
- https://security.gentoo.org/glsa/202101-33
- https://www.debian.org/security/2021/dsa-4839
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LHXK6ICO5AYLGFK2TAX5MZKUXTUKWOJY/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CALA5FTXIQBRRYUA2ZQNJXB6OQMAXEII/
- http://www.openwall.com/lists/oss-security/2021/01/27/1
- http://www.openwall.com/lists/oss-security/2021/01/27/2
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sudo-privesc-jan2021-qnYQfcM
- https://www.kb.cert.org/vuls/id/794544
- http://seclists.org/fulldisclosure/2021/Feb/42
- http://www.openwall.com/lists/oss-security/2021/02/15/1
- https://www.oracle.com//security-alerts/cpujul2021.html
- https://www.sudo.ws/stable.html#1.9.5p2
- https://www.openwall.com/lists/oss-security/2021/01/26/3
- http://packetstormsecurity.com/files/161160/Sudo-Heap-Based-Buffer-Overflow.html
- https://security.netapp.com/advisory/ntap-20210128-0002/
- https://security.netapp.com/advisory/ntap-20210128-0001/
- http://packetstormsecurity.com/files/161230/Sudo-Buffer-Overflow-Privilege-Escalation.html
- http://packetstormsecurity.com/files/161270/Sudo-1.9.5p1-Buffer-Overflow-Privilege-Escalation.html
- http://packetstormsecurity.com/files/161293/Sudo-1.8.31p2-1.9.5p1-Buffer-Overflow.html
- https://support.apple.com/kb/HT212177
- https://nvd.nist.gov/vuln/detail/CVE-2021-3156