Remote code execution in Mingw-w64

1) Improper null termination

EUVDB-ID: #VU11073

Risk: High

CVSSv3.1: 9.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2018-1000101

CWE-ID: CWE-170 - Improper Null Termination

Exploit availability: No

Description

The vulnerability allows a remote unauthenticated attacker to execute arbitrary code on the target system.

The weakness exists in the snprintf function due to improper termination of a string with a null character. A remote attacker can send malicious input, corrupt subsequent string functions and execute arbitrary code.

Mitigation

Cybersecurity is currently unaware of any solutions addressing the vulnerability.

Vulnerable software versions

Mingw-w64: 3.0.0 - 5.0.3

External links

http://sourceforge.net/p/mingw-w64/bugs/709/

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.