Vulnerability · Published Jun 16, 2024 · Assigned by mitre
CVE-2024-38439
Critical 9.8
In plain English
A critical-severity out-of-bounds write in the netatalk package (Alpine). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 61% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.9%top 39.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
Netatalk before 3.2.1 has an off-by-one error and resultant heap-based buffer overflow because of setting ibuf[PASSWDLEN] to '\0' in FPLoginExt in login in etc/uams/uams_pam.c. 2.4.1 and 3.1.19 are also fixed versions.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | netatalk | 3.1.19-r0 | ALPINE-CVE-2024-38439 |
| Alpine:v3.21 | netatalk | 3.1.19-r0 | ALPINE-CVE-2024-38439 |
| Alpine:v3.22 | netatalk | 3.1.19-r0 | ALPINE-CVE-2024-38439 |
| Alpine:v3.23 | netatalk | 3.1.19-r0 | ALPINE-CVE-2024-38439 |
| Alpine:v3.24 | netatalk | 3.1.19-r0 | ALPINE-CVE-2024-38439 |
| Debian:13 | netatalk | 3.1.18~ds-2 | DEBIAN-CVE-2024-38439 |
| Debian:14 | netatalk | 3.1.18~ds-2 | DEBIAN-CVE-2024-38439 |
| Ubuntu:22.04:LTS | netatalk | 3.1.12~ds-9ubuntu0.22.04.4 | UBUNTU-CVE-2024-38439 |
| Ubuntu:22.04:LTS | netatalk | 3.1.12~ds-9ubuntu0.22.04.4 | USN-7347-1 |
Affected products (as reported)
Weakness: CWE-787 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- https://github.com/Netatalk/netatalk/issues/1096
- https://github.com/Netatalk/netatalk/blob/90d91a9ac9a7d6132ab7620d31c8c23400949206/etc/uams/uams_pam.c#L316
- https://github.com/Netatalk/netatalk/security/advisories/GHSA-8r68-857c-4rqc
- https://netatalk.io/security/CVE-2024-38439
- https://lists.debian.org/debian-lts-announce/2024/11/msg00026.html