PT-2019-8525 · Nmap+2 · Nmap+2

Djcater · Published 2019-08-20 · Updated 2024-06-15 · CVE-2017-18594

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Nmap version 7.70

Description The issue is related to a denial of service condition in Nmap due to a double free error when an SSH connection fails. This can be triggered by a leading character to certain scripts.

Recommendations For Nmap version 7.70, consider updating to a newer version to resolve the issue. As a temporary workaround, avoid using scripts like ssh-brute.nse or ssh-auth-methods.nse with a leading character to minimize the risk of exploitation.

Exploit

Fix

DoS

Double Free

Weakness Enumeration

CWE-415

Related Identifiers

ALT-PU-2019-2507

ALT-PU-2019-2573

CVE-2017-18594

MGASA-2020-0216

OPENSUSE-SU-2019:2198-1

OPENSUSE-SU-2019:2200-1

OPENSUSE-SU-2019_2198-1

OPENSUSE-SU-2019_2200-1

OPENSUSE-SU-2024:11750-1

SUSE-SU-2019:2425-1

SUSE-SU-2019:2425-2

SUSE-SU-2019_2425-1

SUSE-SU-2019_2425-2

Affected Products

Alt Linux

Nmap

Suse

References · 35

• 🔥 https://github.com/nmap/nmap/issues/1227 · Exploit
• https://github.com/nmap/nmap/issues/1077 · Patch
• https://github.com/nmap/nmap/commit/350bbe0597d37ad67abe5fef8fba984707b4e9ad · Patch
• https://osv.dev/vulnerability/SUSE-SU-2019:2425-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-18594 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2017-18594 · Vendor Advisory
• https://osv.dev/vulnerability/ALPINE-CVE-2017-18594 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:11750-1 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2019:2198-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2017-18594 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2019:2200-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2019:2425-2 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2017-18594 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2017-18594 · Security Note
• https://osv.dev/vulnerability/MGASA-2020-0216 · Vendor Advisory