Buffer overflow in Netatalk
CVE-2022-23125
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 copyapplfile function. When parsing the len element, the process does not properly validate 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. Was ZDI-CAN-15869.
Vulnerability class: Buffer Overflow
EPSS: 0.044 (90.2th 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 5.18.117
- 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 (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-2022-23125?
- CVE-2022-23125 is a critical-severity vulnerability in Netatalk, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2023-03-28.
- How severe is CVE-2022-23125?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2022-23125 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.