#VU107349 Out-of-bounds write in Replication Service for DSM and Unified Controller (DSMUC) - CVE-2024-10442

Vulnerability identifier: #VU107349

Vulnerability risk: Medium

CVSSv4.0: 5.2 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-10442

CWE-ID: CWE-787

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
Replication Service for DSM
Server applications / Other server solutions
Unified Controller (DSMUC)
Other software / Other software solutions

Vendor: Synology Inc.

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input within the parsing of command data in the libsynobtrfsreplicacore.so.7 module. A remote attacker on the local network can trigger an out-of-bounds write and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Replication Service for DSM: 6.2 - 7.2

Unified Controller (DSMUC): 3.1

---

External links
https://www.synology.com/en-global/security/advisory/Synology_SA_24_22
https://www.zerodayinitiative.com/advisories/ZDI-25-208/

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.