Double Free Affecting nmap package, versions <7.80+dfsg1-1


Severity

Recommended
low

Based on Debian security rating.

Threat Intelligence

EPSS
0.47% (76th percentile)

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  • Snyk IDSNYK-DEBIAN12-NMAP-1554727
  • published2 Sept 2019
  • disclosed29 Aug 2019

Introduced: 29 Aug 2019

CVE-2017-18594  (opens in a new tab)
CWE-415  (opens in a new tab)

How to fix?

Upgrade Debian:12 nmap to version 7.80+dfsg1-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream nmap package and not the nmap package as distributed by Debian. See How to fix? for Debian:12 relevant fixed versions and status.

nse_libssh2.cc in Nmap 7.70 is subject to a denial of service condition due to a double free when an SSH connection fails, as demonstrated by a leading \n character to ssh-brute.nse or ssh-auth-methods.nse.