Vulnerability identifier: #VU8858

Vulnerability risk: High

CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-3759

CWE-ID: CWE-300

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Lenovo Service Framework
Client/Desktop applications / Other client software

Vendor: Lenovo

Description
The vulnerability allows a remote attacker to conduct MITM-attack.

The weakness exists due to the LSF application accepts some responses from the server without proper validation. A remote attacker can use man-in-the-middle techniques and possibly execute arbitrary code on the target device.

Mitigation
Update to version 4.8.0.2403.

Vulnerable software versions

Lenovo Service Framework: All versions

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External links
http://support.lenovo.com/ua/en/product_security/len-15374

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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