Stack-based buffer overflow in nmap (Alpine package)

1) Stack-based buffer overflow

EUVDB-ID: #VU14479

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 - 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 (Alpine package): 7.12-r0 - 7.60-r2

CPE2.3

• cpe:2.3:o:alpine:nmap_alpine_package:7.12-r0:*:*:*:*:alpine_linux:*:3.4
• cpe:2.3:o:alpine:nmap_alpine_package:7.40-r0:*:*:*:*:alpine_linux:*:3.5
• cpe:2.3:o:alpine:nmap_alpine_package:7.60-r2:*:*:*:*:alpine_linux:*:3.6

External links

https://git.alpinelinux.org/aports/commit/?id=c6bb37d9b3b97ad919485aa1bdc99206d3f41a5b
https://git.alpinelinux.org/aports/commit/?id=84ef17ea9337f2176dcaa62288903906ef70a035
https://git.alpinelinux.org/aports/commit/?id=2c2f9f27c8ac931989d3a5975e6f7356494150f0
https://git.alpinelinux.org/aports/commit/?id=43fb559906f0919b32280ff71a52a535f7158e3c
https://git.alpinelinux.org/aports/commit/?id=ddbe1950281feebd3fb30c7057104c724577c6a8

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.