A double-free was found in the way 389-ds-base handles virtual attributes context in persistent searches. An attacker could send a series of search requests, forcing the server to behave unexpectedly, and crash.
Weakness
The product calls free() twice on the same memory address.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| 389-ds-base | Port389 | * | 1.3.10.2 (excluding) |
| Red Hat Directory Server 11.3 for RHEL 8 | RedHat | redhat-ds:11-8040020220114174559.d9abee45 | * |
| Red Hat Enterprise Linux 7 | RedHat | 389-ds-base-0:1.3.10.2-15.el7_9 | * |
| Red Hat Enterprise Linux 8 | RedHat | 389-ds:1.4-8050020220302180105.4051e825 | * |
| Red Hat Enterprise Linux 8.4 Extended Update Support | RedHat | 389-ds:1.4-8040020220323173247.96015a92 | * |
| 389-ds-base | Ubuntu | bionic | * |
| 389-ds-base | Ubuntu | focal | * |
| 389-ds-base | Ubuntu | impish | * |
| 389-ds-base | Ubuntu | kinetic | * |
| 389-ds-base | Ubuntu | lunar | * |
| 389-ds-base | Ubuntu | mantic | * |
| 389-ds-base | Ubuntu | oracular | * |
| 389-ds-base | Ubuntu | plucky | * |
| 389-ds-base | Ubuntu | trusty | * |
| 389-ds-base | Ubuntu | xenial | * |
Potential Mitigations
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2030307
- https://lists.debian.org/debian-lts-announce/2023/04/msg00026.html
- https://bugzilla.redhat.com/show_bug.cgi?id=2030307
- https://lists.debian.org/debian-lts-announce/2023/04/msg00026.html
- https://lists.debian.org/debian-lts-announce/2025/01/msg00015.html