Vulnerability in Apache HTTP Server
CVE-2002-0839
The shared memory scoreboard in the HTTP daemon for Apache 1.3.x before 1.3.27 allows any user running as the Apache UID to send a SIGUSR1 signal to any process as root, resulting in a denial of service (process kill) or possibly other behaviors that would not normally be allowed, by modifying the parent[].pid and parent[].last_rtime segments in the scoreboard.
EPSS: 0.009 (57.4th percentile) — read the EPSS interpretation.
Affected products
- Apache Http_server
- Debian Debian_linux — versions 2.2, 3.0
- N/a — versions n/a
Public proof-of-concept exploits
References
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- cve@mitre.org (x_refsource_CONFIRM, Mailing List, Third Party Advisory)
- cve@mitre.org (vendor-advisory, x_refsource_ENGARDE, Broken Link)
- cve@mitre.org (x_refsource_HP, vendor-advisory, VDB Entry, Third Party Advisory)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- cve@mitre.org (x_refsource_HP, vendor-advisory, Mailing List, Third Party Advisory, Issue Tracking)
- cve@mitre.org (Broken Link, Vendor Advisory, mailing-list, x_refsource_VULNWATCH, Patch)
- cve@mitre.org (x_refsource_CONFIRM, Release Notes, Vendor Advisory)
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
Frequently asked questions
- What is CVE-2002-0839?
- CVE-2002-0839 is a vulnerability in Apache HTTP Server. Published 2002-10-11.
- Is CVE-2002-0839 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.