Remote code execution in MCPP

1) Heap-based buffer overflow

EUVDB-ID: #VU29253

Risk: Medium

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-14274

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error within the the do_msg() function in support.c. A remote attacker can create a specially crafted file, trick the victim into compiling it, trigger heap-based buffer overflow and execute arbitrary code on the target system.

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

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability..

Vulnerable software versions

mcpp: 2.7 - 2.7.2.14

CPE2.3

• cpe:2.3:a:zeroc-ice:mcpp:2.7:*:*:*:*:*:*:*
• cpe:2.3:a:zeroc-ice:mcpp:2.7.1:*:*:*:*:*:*:*
• cpe:2.3:a:zeroc-ice:mcpp:2.7.2:*:*:*:*:*:*:*

External links

https://lists.opensuse.org/opensuse-security-announce/2020-03/msg00032.html
https://lists.opensuse.org/opensuse-security-announce/2020-03/msg00038.html
https://sourceforge.net/p/mcpp/bugs/13/

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.