Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apache | Http Server | >= 1.3.0, < 1.3.27 |
| Debian | Debian Linux | 2.2 |
References
- ftp://patches.sgi.com/support/free/security/advisories/20021105-01-IBroken Link
- http://archives.neohapsis.com/archives/bugtraq/2002-10/0195.htmlBroken Link
- http://archives.neohapsis.com/archives/bugtraq/2002-10/0254.htmlBroken Link
- http://archives.neohapsis.com/archives/vulnwatch/2002-q4/0012.htmlBroken LinkPatchVendor Advisory
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000530Third Party Advisory
- http://marc.info/?l=apache-httpd-announce&m=103367938230488&w=2Mailing ListThird Party Advisory
- http://marc.info/?l=bugtraq&m=103376585508776&w=2Issue TrackingMailing ListThird Party Advisory
- http://marc.info/?l=bugtraq&m=130497311408250&w=2Issue TrackingMailing ListThird Party Advisory
- http://online.securityfocus.com/advisories/4617Third Party AdvisoryVDB Entry
- http://www.apacheweek.com/issues/02-10-04Release NotesVendor Advisory
- http://www.debian.org/security/2002/dsa-187Third Party Advisory
- http://www.debian.org/security/2002/dsa-188Third Party Advisory
- http://www.debian.org/security/2002/dsa-195Third Party Advisory
- http://www.iss.net/security_center/static/10280.phpBroken LinkVendor Advisory
- http://www.linux-mandrake.com/en/security/2002/MDKSA-2002-068.phpBroken Link
FAQ
What is CVE-2002-0839?
CVE-2002-0839 is a vulnerability with a CVSS score of 7.2 (HIGH). 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 servi...
How severe is CVE-2002-0839?
CVE-2002-0839 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2002-0839?
Check the references section above for vendor advisories and patch information. Affected products include: Apache Http Server, Debian Debian Linux.