#VU14479 Stack-based buffer overflow in nmap - CVE-2018-15173

Vulnerability identifier: #VU14479

Vulnerability risk: Low

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-15173

CWE-ID: CWE-121

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
nmap
Client/Desktop applications / Other client software

Vendor: nmap

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

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External links
https://code610.blogspot.com/2018/07/crashing-nmap-760.html
https://code610.blogspot.com/2018/07/crashing-nmap-770.html

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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.