Description
The combination of primitives offered by SMB and AFP in their default configuration allows the arbitrary writing of files. By exploiting these combination of primitives, an attacker can execute arbitrary code.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Western Digital | My Cloud | My Cloud OS 5 – < 5.19.117 | 5.19.117 |
| Western Digital | My Cloud Home | My Cloud Home – < 7.16-220 | 7.16-220 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | netatalk | 3.1.18~ds-1 | — |
| Debian 13 | netatalk | 3.1.18~ds-1 | — |
| Debian 11 | netatalk | 3.1.12~ds-8+deb11u2 | DLA-3968-1 |
| Debian 10 | netatalk | 3.1.12~ds-3+deb10u5 | DLA-3706-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 22.04 LTS | netatalk | 3.1.12~ds-9ubuntu0.22.04.3+esm1 | USN-6786-1 |
| Ubuntu Pro 20.04 LTS | netatalk | 3.1.12~ds-4ubuntu0.20.04.3+esm1 | USN-6786-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP5 | netatalk | 3.1.0-3.22.1 | SUSE-SU-2023:4084-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | netatalk | 3.1.18-r0 | — |
| Alpine v3.23 | netatalk | 3.1.18-r0 | — |
| Alpine v3.22 | netatalk | 3.1.18-r0 | — |
| Alpine v3.21 | netatalk | 3.1.18-r0 | — |
| Alpine v3.20 | netatalk | 3.1.18-r0 | — |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | netatalk | 3.1.18-r0 | — |
| Alpine v3.18 | netatalk | 3.1.18-r0 | — |
Advisories 4
- USN-6786-1 netatalk vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- DLA-3706-1 netatalk - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3968-1 netatalk - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2023:4084-1 Security update for netatalk SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://www.westerndigital.com/support/product-security/wdc-22005-netatalk-security-vulnerabilities
- FEDORA-2023-cec97f7b5d vendor-advisory
- FEDORA-2023-ef901c862c vendor-advisory
- GLSA-202311-02 vendor-advisory
- FEDORA-2023-39f0ec3879 vendor-advisory
- [debian-lts-announce] 20240104 [SECURITY] [DLA 3706-1] netatalk security update mailing-list