CVE-2021-31439

Name
CVE-2021-31439
Description
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Synology DiskStation Manager. Authentication is not required to exploit this vulnerablity. The specific flaw exists within the processing of DSI structures in Netatalk. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-12326.
NVD Severity
high
Other trackers
Mailing lists
Exploits
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
MISC https://www.zerodayinitiative.com/advisories/ZDI-21-492/
MISC https://www.synology.com/zh-hk/security/advisory/Synology_SA_20_26

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:synology:diskstation_manager:*:*:*:*:*:*:*:* diskstation_manager >= 6.2 < 6.2.3-25426-3

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
netatalk 3.16-community 3.1.13-r0 Alexander Rigbo <alex@dnb.nu> fixed