CVE-2021-26561 — Stack-based Buffer Overflow in Synology Diskstation Manager

CWE-121 — Stack-based Buffer OverflowCWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer5 documents4 sources
Severity
8.1HIGHNVD
CNA9.0
EPSS
2.3%
top 15.11%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Synology Diskstation ManagerSynology Diskstation ManagerSynology Diskstation Manager Unified Controller
Timeline
PublishedFeb 26
Latest updateMay 24

Description

Stack-based buffer overflow vulnerability in synoagentregisterd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to execute arbitrary code via syno_finder_site HTTP header.

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 2.2 | Impact: 5.9

Affected Packages3 packages

▶NVDsynology/diskstation_manager< 6.2.3-25426-3
▶CVEListV5synology/synology_diskstation_managerunspecified — 6.2.3-25426-3

🔴Vulnerability Details

2
GHSA
GHSA-4pfw-794r-7wqp: Stack-based buffer overflow vulnerability in synoagentregisterd in Synology DiskStation Manager (DSM) before 6↗2022-05-24
▶
CVEList
CVE-2021-26561: Stack-based buffer overflow vulnerability in synoagentregisterd in Synology DiskStation Manager (DSM) before 6↗2021-02-26
▶

🕵️Threat Intelligence

2
Talos
Vulnerability Spotlight: Multiple vulnerabilities in Synology DiskStation Manager↗2021-04-20
▶
Talos
Vulnerability Spotlight: Multiple vulnerabilities in Synology DiskStation Manager↗2021-04-20
▶
CVE-2021-26561 — Stack-based Buffer Overflow | cvebase