Vulnerability identifier: #VU27968

Vulnerability risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
MikTex
Client/Desktop applications / Other client software

Vendor: Christian Schenk

Description

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation. A remote authenticated attacker can pass specially crafted data to the application and execute arbitrary OS commands on the target system when a program is running with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

MikTex: 2.9.7000 - 2.9.7420

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External links
http://miktex.org/announcement/miktex-2-9-7440/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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