Netatalk before 3.2.1 has an off-by-one error and resultant heap-based buffer overflow because of setting ibuf[len] to 0 in FPMapName in afp_mapname in etc/afpd/directory.c. 2.4.1 and 3.1.19 are also fixed versions.
Weakness
A product calculates or uses an incorrect maximum or minimum value that is 1 more, or 1 less, than the correct value.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Netatalk | Netatalk | 2.0.0 (including) | 2.4.1 (excluding) |
| Netatalk | Netatalk | 3.0 (including) | 3.1.19 (excluding) |
| Netatalk | Netatalk | 3.2.0 (including) | 3.2.0 (including) |
| Netatalk | Ubuntu | esm-apps/bionic | * |
| Netatalk | Ubuntu | esm-apps/focal | * |
| Netatalk | Ubuntu | esm-apps/jammy | * |
| Netatalk | Ubuntu | esm-apps/noble | * |
| Netatalk | Ubuntu | esm-apps/xenial | * |
| Netatalk | Ubuntu | esm-infra-legacy/trusty | * |
| Netatalk | Ubuntu | focal | * |
| Netatalk | Ubuntu | jammy | * |
| Netatalk | Ubuntu | mantic | * |
| Netatalk | Ubuntu | noble | * |
| Netatalk | Ubuntu | trusty/esm | * |
| Netatalk | Ubuntu | upstream | * |
Potential Mitigations
References
- https://github.com/Netatalk/netatalk/blob/90d91a9ac9a7d6132ab7620d31c8c23400949206/etc/afpd/directory.c#L2333
- https://github.com/Netatalk/netatalk/issues/1098
- https://github.com/Netatalk/netatalk/security/advisories/GHSA-mj6v-cr68-mj9q
- https://netatalk.io/security/CVE-2024-38441
- https://github.com/Netatalk/netatalk/blob/90d91a9ac9a7d6132ab7620d31c8c23400949206/etc/afpd/directory.c#L2333
- https://github.com/Netatalk/netatalk/issues/1098
- https://github.com/Netatalk/netatalk/security/advisories/GHSA-mj6v-cr68-mj9q
- https://lists.debian.org/debian-lts-announce/2024/11/msg00026.html
- https://netatalk.io/security/CVE-2024-38441