CVE-2022-23121

high-risk
Published 2023-03-28

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 parse_entries function. The issue results from the lack of proper error handling when parsing AppleDouble entries. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-15819.

Do I need to act?

!
18.6% chance of exploitation in next 30 days
EPSS score — higher than 81% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (3)

Affected Vendors

Debian Netatalk

References (13)

Mailing List https://lists.debian.org/debian-lts-announce/2023/05/msg00018.html
Mailing List https://lists.debian.org/debian-lts-announce/2023/06/msg00000.html
Release Notes https://netatalk.sourceforge.io/3.1/ReleaseNotes3.1.13.html
Issue Tracking https://security.gentoo.org/glsa/202311-02
Third Party Advisory https://www.debian.org/security/2023/dsa-5503
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-22-527/
Mailing List https://lists.debian.org/debian-lts-announce/2023/05/msg00018.html
Mailing List https://lists.debian.org/debian-lts-announce/2023/06/msg00000.html
Release Notes https://netatalk.sourceforge.io/3.1/ReleaseNotes3.1.13.html
Issue Tracking https://security.gentoo.org/glsa/202311-02
Third Party Advisory https://www.debian.org/security/2023/dsa-5503
https://www.kb.cert.org/vuls/id/709991
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-22-527/
54
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 13/34 · Low
Exposure 9/34 · Low