Bug#1034170: netatalk: CVE-2022-43634
Source: netatalk
X-Debbugs-CC: team@security.debian.org
Severity: grave
Tags: security
Hi,
The following vulnerability was published for netatalk.
CVE-2022-43634[0]:
| 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
| dsi_writeinit 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 heap-based buffer. An attacker can leverage this
| vulnerability to execute code in the context of root. Was ZDI-
| CAN-17646.
https://github.com/Netatalk/Netatalk/pull/186
https://github.com/advisories/GHSA-fwj9-7qq8-jc93
https://www.zerodayinitiative.com/advisories/ZDI-23-094/
https://github.com/Netatalk/netatalk/commit/5fcb4ab02aced14484310165b3d754bb2f0820ca
If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.
For further information see:
[0] https://security-tracker.debian.org/tracker/CVE-2022-43634
https://www.cve.org/CVERecord?id=CVE-2022-43634
Please adjust the affected versions in the BTS as needed.
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