CVE-2000-1198

MEDIUM

Qualcomm qpopper - Denial of Service via Predictable Lock File Names

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2000-1198. PoCs published by Alex Mottram.

AI-analyzed exploit summary This exploit demonstrates a denial-of-service (DoS) vulnerability in POP3 daemons like Qualcomm's qpopper and RedHat's imap-4 popd by creating lock files that prevent users from accessing their mail. The PoC uses the 'touch' command to create a lock file in the mail spool directory.

Description

qpopper POP server creates lock files with predictable names, which allows local users to cause a denial of service for other users (lack of mail access) by creating lock files for other mail boxes.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Alex Mottram · textdoslinux
https://www.exploit-db.com/exploits/19869

This exploit demonstrates a denial-of-service (DoS) vulnerability in POP3 daemons like Qualcomm's qpopper and RedHat's imap-4 popd by creating lock files that prevent users from accessing their mail. The PoC uses the 'touch' command to create a lock file in the mail spool directory.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Qualcomm qpopper, RedHat imap-4 popd
No auth needed
Prerequisites: Access to the target system's file system
mistral-large-3 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Mailing List mailing-list x_refsource_bugtraq
http://marc.info/?l=bugtraq&m=95624629924545&w=2
Mailing List mailing-list x_refsource_bugtraq
http://marc.info/?l=bugtraq&m=95634229925906&w=2
Broken Link, Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/1132

Scores

CVSS v3 5.5
EPSS 0.0035
EPSS Percentile 27.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-667
Status published
Products (2)
qualcomm/qpopper 2.53
qualcomm/qpopper 3.0
Published Aug 31, 2001
Tracked Since Feb 18, 2026