sudoedit in Sudo before 1.8.15 allows local users to gain privileges via a symlink attack on a file whose full path is defined using multiple wildcards in /etc/sudoers, as demonstrated by /home///file.txt.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Sudo | Sudo_project | * | 1.8.14 (including) |
| Sudo | Ubuntu | esm-infra-legacy/trusty | * |
| Sudo | Ubuntu | precise | * |
| Sudo | Ubuntu | precise/esm | * |
| Sudo | Ubuntu | trusty | * |
| Sudo | Ubuntu | trusty/esm | * |
| Sudo | Ubuntu | upstream | * |
| Sudo | Ubuntu | vivid | * |
| Sudo | Ubuntu | vivid/stable-phone-overlay | * |
| Sudo | Ubuntu | vivid/ubuntu-core | * |
| Sudo | Ubuntu | wily | * |
References
- http://bugzilla.sudo.ws/show_bug.cgi?id=707
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171024.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171054.html
- http://www.debian.org/security/2016/dsa-3440
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- http://www.securitytracker.com/id/1034392
- http://www.sudo.ws/stable.html#1.8.15
- https://security.gentoo.org/glsa/201606-13
- https://www.exploit-db.com/exploits/37710/
- http://bugzilla.sudo.ws/show_bug.cgi?id=707
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171024.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171054.html
- http://www.debian.org/security/2016/dsa-3440
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- http://www.securitytracker.com/id/1034392
- http://www.sudo.ws/stable.html#1.8.15
- https://security.gentoo.org/glsa/201606-13
- https://www.exploit-db.com/exploits/37710/