#VU61789 Buffer overflow in DOSBox - CVE-2019-7165

Vulnerability identifier: #VU61789

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2019-7165

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
DOSBox
Client/Desktop applications / Games

Vendor: DOSBox

Description

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

The vulnerability exists due to a boundary error. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.

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

Mitigation
Install updates from vendor's website.

Vulnerable software versions

DOSBox: 0.74-2

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External links
https://lists.debian.org/debian-lts-announce/2019/07/msg00004.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PYV27Z3QZTDHUZJLW3LDJYO7HBVIMJ5F/
https://seclists.org/bugtraq/2019/Jul/14
https://security-tracker.debian.org/tracker/CVE-2019-7165
https://www.debian.org/security/2019/dsa-4478
https://www.dosbox.com

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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.