CVE-2022-23123
This vulnerability allows remote attackers to disclose sensitive information on affected...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
5.3
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.
- Record
CVE-2022-23123- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-125
- Updated
- 2026-11-02
EUVDEUVD-2022-28214
5.3
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.
- Record
EUVD-2022-28214- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-8x8m-c4qf-453q
9.8
This vulnerability allows remote attackers to disclose sensitive information on affected...
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.
- Record
GHSA-8x8m-c4qf-453q- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-125
- Updated
- 2026-11-02
NVD
9.8
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.
- Record
CVE-2022-23123- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-125
- Updated
- 2026-11-02
OSVALPINE-CVE-2022-23123
9.8
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.
- Record
ALPINE-CVE-2022-23123- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
OSV
5.3
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.
- Record
CVE-2022-23123- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-125
- Updated
- 2026-11-02
Show 4 moreShow less
OSVDEBIAN-CVE-2022-23123
9.8
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.
- Record
DEBIAN-CVE-2022-23123- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
OSVUBUNTU-CVE-2022-23123
9.8
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. 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.]
- Record
UBUNTU-CVE-2022-23123- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
OSVMGASA-2023-0027 No score
Updated netatalk packages fix security vulnerability
Heap overflow leading to arbitrary code execution. (CVE-2021-31439) Buffer overflow leading to remote code execution (CVE-2022-0194) Improper length validation leading to remote code execution (CVE-2022-23121) Buffer overflow leading to remote code execution (CVE-2022-23122) Out-of-bounds read leading to information disclosure (CVE-2022-23123) Out-of-bounds read leading to information disclosure (CVE-2022-23124) Improper length validation leading to remote code execution (CVE-2022-23125) Heap-based buffer overflow in afp_getappl resulting in code execution via a crafted .appl file (CVE-2022-45188)
- Record
MGASA-2023-0027- Updated
- 2026-11-02
OSVUSN-6146-1 No score
netatalk vulnerabilities
It was discovered that Netatalk did not properly validate the length of user-supplied data in the DSI structures. A remote attacker could possibly use this issue to execute arbitrary code with the privileges of the user invoking the programs. This issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2021-31439)
It was discovered that Netatalk did not properly validate the length of user-supplied data in the ad_addcomment function. A remote attacker could possibly use this issue to execute arbitrary code with root privileges. This issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2022-0194)
It was discovered that Netatalk did not properly handle errors when parsing AppleDouble entries. A remote attacker could possibly use this issue to execute arbitrary code with root privileges. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2022-23121)
It was discovered that Netatalk did not properly validate the length of user-supplied data in the setfilparams function. A remote attacker could possibly use this issue to execute arbitrary code with root privileges. This issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2022-23122)
It was discovered that Netatalk did not properly validate the length of user-supplied data in the getdirparams function. A remote attacker could possibly use this issue to execute arbitrary code with root privileges. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2022-23123)
It was discovered that Netatalk did not properly validate the length of user-supplied data in the get_finderinfo function. A remote attacker could possibly use this issue to execute arbitrary code with root privileges. This issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2022-23124)
It was discovered that Netatalk did not properly validate the length of user-supplied data in the copyapplfile function. A remote attacker could possibly use this issue to execute arbitrary code with root privileges. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2022-23125)
It was discovered that Netatalk did not properly validate the length of user-supplied data in the dsi_writeinit function. A remote attacker could possibly use this issue to execute arbitrary code with root privileges. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS and Ubuntu 22.10. (CVE-2022-43634)
It was discovered that Netatalk did not properly manage memory under certain circumstances. If a user were tricked into opening a specially crafted .appl file, a remote attacker could possibly use this issue to execute arbitrary code. (CVE-2022-45188)
- Record
USN-6146-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
netatalkAlpine:v3.16 |
before 3.1.13-r0 | 3.1.13-r0 |
netatalkAlpine:v3.17 |
before 3.1.13-r0 | 3.1.13-r0 |
netatalkAlpine:v3.18 |
before 3.1.13-r0 | 3.1.13-r0 |
netatalkAlpine:v3.19 |
before 3.1.13-r0 | 3.1.13-r0 |
netatalkAlpine:v3.20 |
before 3.1.13-r0 | 3.1.13-r0 |
netatalkAlpine:v3.21 |
before 3.1.13-r0 | 3.1.13-r0 |
netatalkAlpine:v3.22 |
before 3.1.13-r0 | 3.1.13-r0 |
netatalkAlpine:v3.23 |
before 3.1.13-r0 | 3.1.13-r0 |
netatalkAlpine:v3.24 |
before 3.1.13-r0 | 3.1.13-r0 |
netatalkDebian:13 |
before 3.1.13~ds-1 | 3.1.13~ds-1 |
Show 14 moreShow less
| Package | Affected | Fixed |
|---|---|---|
netatalkDebian:14 |
before 3.1.13~ds-1 | 3.1.13~ds-1 |
netatalkDebian:10 From an advisory covering 9 CVEs |
before 3.1.12~ds-3+deb10u1, plus listed versions 3.1.12~ds-3 |
3.1.12~ds-3+deb10u1 |
netatalkDebian:11 From an advisory covering 10 CVEs |
before 3.1.12~ds-8+deb11u1, plus listed versions 3.1.12~ds-8 |
3.1.12~ds-8+deb11u1 |
netatalkMageia:8 From an advisory covering 8 CVEs |
before 3.1.14-1.1.mga8 | 3.1.14-1.1.mga8 |
netatalkUbuntu:Pro:14.04:LTS |
before 2.2.2-1ubuntu2.2+esm1, plus listed versions 2.2.2-1ubuntu12.2.2-1ubuntu22.2.2-1ubuntu2.2 |
2.2.2-1ubuntu2.2+esm1 |
netatalkUbuntu:Pro:16.04:LTS |
before 2.2.5-1ubuntu0.2+esm1, plus listed versions 2.2.5-12.2.5-1ubuntu0.2 |
2.2.5-1ubuntu0.2+esm1 |
netatalkUbuntu:Pro:18.04:LTS |
before 2.2.6-1ubuntu0.18.04.2+esm1, plus listed versions 2.2.6-12.2.6-1ubuntu0.18.04.2 |
2.2.6-1ubuntu0.18.04.2+esm1 |
netatalkUbuntu:20.04:LTS |
before 3.1.12~ds-4ubuntu0.20.04.1, plus listed versions 3.1.12~ds-33.1.12~ds-4 |
3.1.12~ds-4ubuntu0.20.04.1 |
netatalkUbuntu:22.04:LTS |
before 3.1.12~ds-9ubuntu0.22.04.1, plus listed versions 3.1.12~ds-93.1.12~ds-9build1 |
3.1.12~ds-9ubuntu0.22.04.1 |
netatalkUbuntu:Pro:14.04:LTS From an advisory covering 9 CVEs |
before 2.2.2-1ubuntu2.2+esm1, plus listed versions 2.2.2-1ubuntu12.2.2-1ubuntu22.2.2-1ubuntu2.2 |
2.2.2-1ubuntu2.2+esm1 |
netatalkUbuntu:Pro:16.04:LTS From an advisory covering 9 CVEs |
before 2.2.5-1ubuntu0.2+esm1, plus listed versions 2.2.5-12.2.5-1ubuntu0.2 |
2.2.5-1ubuntu0.2+esm1 |
netatalkUbuntu:Pro:18.04:LTS From an advisory covering 9 CVEs |
before 2.2.6-1ubuntu0.18.04.2+esm1, plus listed versions 2.2.6-12.2.6-1ubuntu0.18.04.2 |
2.2.6-1ubuntu0.18.04.2+esm1 |
netatalkUbuntu:20.04:LTS From an advisory covering 9 CVEs |
before 3.1.12~ds-4ubuntu0.20.04.1, plus listed versions 3.1.12~ds-33.1.12~ds-4 |
3.1.12~ds-4ubuntu0.20.04.1 |
netatalkUbuntu:22.04:LTS From an advisory covering 9 CVEs |
before 3.1.12~ds-9ubuntu0.22.04.1, plus listed versions 3.1.12~ds-93.1.12~ds-9build1 |
3.1.12~ds-9ubuntu0.22.04.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | OSV | |
| affected, aliases, references | OSV | |
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-23123 is a medium vulnerability (CVSS 5.3) in Netatalk, published March 21, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.82%, the 90th percentile. Fixed in netatalk 3.1.13-r0.
References
netatalk.sourceforge.io/3.1/ReleaseNotes3.1.13.html
zerodayinitiative.com/advisories/ZDI-22-528
lists.debian.org/debian-lts-announce/2023/05/msg00018.html
lists.debian.org/debian-lts-announce/2023/08/msg00016.html
debian.org/security/2023/dsa-5503
security.gentoo.org/glsa/202311-02
Show 24 moreShow less
kb.cert.org/vuls/id/709991
nvd.nist.gov/vuln/detail/CVE-2022-23123
github.com/advisories/GHSA-8x8m-c4qf-453q
security.alpinelinux.org/vuln/CVE-2022-23123
github.com/CVEProject/cvelistV5/tree/main/cves/2022/23xxx/CVE-2022-23123.json
security-tracker.debian.org/tracker/CVE-2022-23123
advisories.mageia.org/MGASA-2023-0027.html
bugs.mageia.org/show_bug.cgi?id=31255
lists.suse.com/pipermail/sle-security-updates/2022-December/013205.html
lists.suse.com/pipermail/sle-security-updates/2022-April/010700.html
github.com/Netatalk/Netatalk/commit/895cecbeeae655b2793df6fcbf9df1c1bfbe285d
ubuntu.com/security/CVE-2022-23123
kb.cert.org/vince/comm/case/267
sourceforge.net/p/netatalk/mailman/message/37628321
ubuntu.com/security/notices/USN-6146-1
cve.org/CVERecord?id=CVE-2022-23123
ubuntu.com/security/CVE-2021-31439
ubuntu.com/security/CVE-2022-0194
ubuntu.com/security/CVE-2022-23121
ubuntu.com/security/CVE-2022-23122
ubuntu.com/security/CVE-2022-23124
ubuntu.com/security/CVE-2022-23125
ubuntu.com/security/CVE-2022-43634
ubuntu.com/security/CVE-2022-45188