MGASA-2020-0216 - Updated nmap packages fix security vulnerability

Publication date: 24 May 2020
URL: https://advisories.mageia.org/MGASA-2020-0216.html
Type: security
Affected Mageia releases: 7
CVE: CVE-2017-18594

Updated nmap packages fix security vulnerability:

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
(CVE-2017-18594).

Also, when a server forced a protocol and did not return TLS ALPN extension,
this caused an infinite loop.

References:
- https://bugs.mageia.org/show_bug.cgi?id=25770
- https://github.com/nmap/nmap/commit/3b8b6516a7697d8b6d4cd87e253daa369fcdbf2a
- - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-18594

SRPMS:
- 7/core/nmap-7.70-2.2.mga7

Mageia 2020-0216: nmap security update

Updated nmap packages fix security vulnerability: 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 dem...

Summary

Updated nmap packages fix security vulnerability:
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 (CVE-2017-18594).
Also, when a server forced a protocol and did not return TLS ALPN extension, this caused an infinite loop.

References

- https://bugs.mageia.org/show_bug.cgi?id=25770

- https://github.com/nmap/nmap/commit/3b8b6516a7697d8b6d4cd87e253daa369fcdbf2a

- - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-18594

Resolution

MGASA-2020-0216 - Updated nmap packages fix security vulnerability

SRPMS

- 7/core/nmap-7.70-2.2.mga7

Severity
Publication date: 24 May 2020
URL: https://advisories.mageia.org/MGASA-2020-0216.html
Type: security
CVE: CVE-2017-18594

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