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CVE-2003-0190 OpenSSH-portable (OpenSSH) 3.6.1p1 and earlier with PAM support enabled immediately sends an error message when a user does not exist, which allows remote attackers to determine valid usernames via a....

MediumCVSS 5.0 EPSS 76.8% Public exploit
Published
Updated
Exploit status
Public exploit available

Description

OpenSSH-portable (OpenSSH) 3.6.1p1 and earlier with PAM support enabled immediately sends an error message when a user does not exist, which allows remote attackers to determine valid usernames via a timing attack.

Affected products

ProductAffected versionsFixed in
OpenBSD openssh < 3.6.1 3.6.1
OpenBSD openssh = 3.6.1-p1 No fix listed
openpkg = 1.2 No fix listed
openpkg = 1.3 No fix listed
Siemens scalance x204rna ecc firmware < 3.2.7 3.2.7
Siemens scalance x204rna firmware < 3.2.7 3.2.7
debian/openssh(Debian:12) < 1:3.8.1p1-8.sarge.4 1:3.8.1p1-8.sarge.4
debian/openssh(Debian:13) < 1:3.8.1p1-8.sarge.4 1:3.8.1p1-8.sarge.4
debian/openssh(Debian:14) < 1:3.8.1p1-8.sarge.4 1:3.8.1p1-8.sarge.4

References