CVE-2021-31439 — Heap-based Buffer Overflow in Netatalk
Severity
8.8HIGHNVD
EPSS
1.0%
top 22.58%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMay 21
Latest updateJun 8
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 …
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9
Affected Packages5 packages
Also affects: Debian Linux 10.0, 11.0
🔴Vulnerability Details
4GHSA▶
GHSA-8292-4xc6-r7cv: This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Synology DiskStation Manager↗2022-05-24
OSV▶
CVE-2021-31439: This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Synology DiskStation Manager↗2021-05-21
CVEList▶
CVE-2021-31439: This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Synology DiskStation Manager↗2021-05-21