Out-of-bounds Read in Netatalk
CVE-2022-23123
This vulnerability allows remote attackers to disclose sensitive information on affected installations of Netatalk. Authentication is not required to exploit this vulnerability. The specific flaw exists within the getdirparams method. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-15830.
Vulnerability class: Buffer Overflow
EPSS: 0.038 (89.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Netatalk — versions 3.1.12
- Debian Debian_linux — versions 10.0, 11.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- zdi-disclosures@trendmicro.com (Release Notes)
- zdi-disclosures@trendmicro.com (VDB Entry, Third Party Advisory)
- zdi-disclosures@trendmicro.com (mailing-list, Mailing List, Third Party Advisory)
- zdi-disclosures@trendmicro.com (mailing-list, Mailing List, Third Party Advisory)
- zdi-disclosures@trendmicro.com (vendor-advisory, Third Party Advisory)
- zdi-disclosures@trendmicro.com (vendor-advisory, Third Party Advisory, Issue Tracking)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2022-23123?
- CVE-2022-23123 is a critical-severity vulnerability in Netatalk, classified under Out-of-bounds Read. CVSS score: 9.8/10. Published 2023-03-28.
- How severe is CVE-2022-23123?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2022-23123 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.