CVE-2018-15473

MEDIUM5.3EPSS 90.4%

openssh - security update

Published: 8/17/2018Modified: 4/28/2026

Description

OpenSSH through 7.7 is prone to a user enumeration vulnerability due to not delaying bailout for an invalid authenticating user until after the packet containing the request has been fully parsed, related to auth2-gss.c, auth2-hostbased.c, and auth2-pubkey.c.

Affected packages (4)

Alpine/opensshfrom 0, < 7.7_p1-r4
Debian/opensshfrom 0, < 1:7.7p1-4
Debian/opensshfrom 0, < 1:6.7p1-5+deb8u5
Debian/opensshfrom 0, < 1:7.4p1-10+deb9u4

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 3.1	MEDIUM5.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References (2)

ADVISORYhttps://security.alpinelinux.org/vuln/CVE-2018-15473
ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2018-15473