CVE-2022-0194: (Pwn2Own) Netatalk ad_addcomment Stack-based Buffer Overflow Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Netatalk. Authentication is not required to exploit this vulnerability. The specific flaw exists within the adaddcomment function. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/netatalkto a version that resolves this vulnerability.Fixed in 4.2.3~ds-1+deb13u2Fixed in 4.5.1~ds-1 - Upgrade
Upgrade
alpine/netatalkto a version that resolves this vulnerability.Fixed in 3.1.13-r0 - Upgrade
Upgrade
debian/netatalkto a version that resolves this vulnerability.Fixed in 3.1.13~ds-1
Event History
Frequently Asked Questions
What is CVE-2022-0194?
CVE-2022-0194 is a vulnerability that allows remote attackers to execute arbitrary code on affected installations of Netatalk.
Is authentication required to exploit CVE-2022-0194?
No, authentication is not required to exploit CVE-2022-0194.
What is the severity of CVE-2022-0194?
CVE-2022-0194 has a severity rating of 9.8 (Critical).
How can I fix CVE-2022-0194?
To fix CVE-2022-0194, it is recommended to update to Netatalk version 3.1.13 or later.
Where can I find more information about CVE-2022-0194?
You can find more information about CVE-2022-0194 at the following references: [Link 1](https://lists.debian.org/debian-lts-announce/2023/05/msg00018.html), [Link 2](https://netatalk.sourceforge.io/3.1/ReleaseNotes3.1.13.html), [Link 3](https://www.debian.org/security/2023/dsa-5503).