Sudo before 1.9.13p2 has a double free in the per-command chroot feature.
Weakness
The product calls free() twice on the same memory address.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Sudo | Sudo_project | 1.9.8 (including) | 1.9.13 (excluding) |
| Sudo | Sudo_project | 1.9.13 (including) | 1.9.13 (including) |
| Sudo | Sudo_project | 1.9.13-p1 (including) | 1.9.13-p1 (including) |
| Sudo | Ubuntu | devel | * |
| Sudo | Ubuntu | jammy | * |
| Sudo | Ubuntu | kinetic | * |
| Sudo | Ubuntu | lunar | * |
| Sudo | Ubuntu | trusty | * |
| Sudo | Ubuntu | upstream | * |
Potential Mitigations
References
- http://www.openwall.com/lists/oss-security/2023/03/01/8
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/332KN4QI6QXB7NI7SWSJ2EQJKWIILFN6/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FPLXMRAMXC3BYL4DNKVTK3V6JDMUXZ7B/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X6VW24YGXJYI4NZ5HZPQCF4MCE7766AU/
- https://security.gentoo.org/glsa/202309-12
- https://security.netapp.com/advisory/ntap-20230413-0009/
- https://www.openwall.com/lists/oss-security/2023/02/28/1
- https://www.sudo.ws/releases/stable/#1.9.13p2
- http://www.openwall.com/lists/oss-security/2023/03/01/8
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/332KN4QI6QXB7NI7SWSJ2EQJKWIILFN6/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FPLXMRAMXC3BYL4DNKVTK3V6JDMUXZ7B/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X6VW24YGXJYI4NZ5HZPQCF4MCE7766AU/
- https://security.gentoo.org/glsa/202309-12
- https://security.netapp.com/advisory/ntap-20230413-0009/
- https://www.openwall.com/lists/oss-security/2023/02/28/1
- https://www.sudo.ws/releases/stable/#1.9.13p2