Link following in ESET products for Windows

1) Link following

EUVDB-ID: #VU86629

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-0353

CWE-ID: CWE-59 - Improper Link Resolution Before File Access ('Link Following')

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a link following issue within the ESET Service. A local user can abuse the service to delete a file, which leads to security restrictions bypass and privilege escalation.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

ESET NOD32 Antivirus: 16.2.15.0

ESET Internet Security: 16.2.15.0

ESET Smart Security Premium: 16.2.15.0

ESET Security Ultimate: 16.2.15.0

ESET Endpoint Antivirus for Windows: 8.1.2052.0 - 10.1.2058.0

ESET Endpoint Security for Windows: 8.1.2052.0 - 10.1.2058.0

ESET File Security for Microsoft Windows Server: 7.3.12011.0 - 10.0.12014.0

ESET Mail Security for Microsoft Exchange Server: 7.3.10014.0 - 10.1.10010.0

ESET Mail Security for IBM Domino: 7.3.14004.0 - 10.0.14006.0

ESET Security for Microsoft SharePoint Server: 7.3.15004.0 - 10.0.15004.0

ESET File Security for Microsoft Azure: All versions

External links

http://support.eset.com/en/ca8612-eset-customer-advisory-link-following-local-privilege-escalation-vulnerability-in-eset-products-for-windows-fixed
http://www.zerodayinitiative.com/advisories/ZDI-24-182/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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