CVE-2001-1068

qpopper 4.01 - Username Enumeration via PAM Authentication Error Messages

Title source: llm
STIX 2.1

Description

qpopper 4.01 with PAM based authentication on Red Hat systems generates different error messages when an invalid username is provided instead of a valid name, which allows remote attackers to determine valid usernames on the system.

References (3)

Core 3
Core References
Patch, Vendor Advisory vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/3242
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/7047
Exploit, Vendor Advisory mailing-list x_refsource_bugtraq
http://archives.neohapsis.com/archives/bugtraq/2001-08/0363.html

Scores

EPSS 0.0111
EPSS Percentile 62.1%

Details

Status published
Products (1)
qualcomm/qpopper 4.0.1
Published Aug 31, 2001
Tracked Since Feb 18, 2026