#VU29253 Heap-based buffer overflow in mcpp - CVE-2019-14274

Vulnerability identifier: #VU29253

Vulnerability 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

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
mcpp
Universal components / Libraries / Programming Languages & Components

Vendor: zeroc-ice

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

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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/

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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.