Denial of service in Nmap

1) Stack-based buffer overflow

EUVDB-ID: #VU14479

Risk: Low

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-15173

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The vulnerability exists due to stack-based buffer overflow when the -sV option is used. A remote unauthenticated attacker can supply a specially crafted TCP-based service, trigger memory corruption and cause the service to crash.

Mitigation

Install update from vendor's website.

Vulnerable software versions

nmap: 7.00 - 7.70

External links

http://code610.blogspot.com/2018/07/crashing-nmap-760.html
http://code610.blogspot.com/2018/07/crashing-nmap-770.html

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.