Privilege escalation in Microsoft Azure File Sync



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-35253
CWE-ID CWE-59
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Azure File Sync
Other software / Other software solutions

Vendor Microsoft

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Link following

EUVDB-ID: #VU91724

Risk: Low

CVSSv4.0: 0.6 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-35253

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 insecure link following in Microsoft Azure File Sync. A local user can win a race condition and gain elevated privileges on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Azure File Sync: 16.0 - 18.0

CPE2.3 External links

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-35253


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.



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