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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.94%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 2.0
- 7.2 HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C
- EPSS
- 0.94% probability · 59th percentile
- CISA KEV
- Not listed
- Affected
- apache/http server · debian/debian linux
- Source
- cve@mitre.org
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 Link, Patch, Vendor Advisory
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000530Third Party Advisory
- http://marc.info/?l=apache-httpd-announce&m=103367938230488&w=2Mailing List, Third Party Advisory
- http://marc.info/?l=bugtraq&m=103376585508776&w=2Issue Tracking, Mailing List, Third Party Advisory
- http://marc.info/?l=bugtraq&m=130497311408250&w=2Issue Tracking, Mailing List, Third Party Advisory
- http://online.securityfocus.com/advisories/4617Third Party Advisory, VDB Entry
- http://www.apacheweek.com/issues/02-10-04Release Notes, Vendor 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 Link, Vendor Advisory
- http://www.linux-mandrake.com/en/security/2002/MDKSA-2002-068.phpBroken Link
- http://www.linuxsecurity.com/advisories/other_advisory-2414.htmlBroken Link
- http://www.securityfocus.com/bid/5884Third Party Advisory, VDB Entry
- https://lists.apache.org/thread.html/r5419c9ba0951ef73a655362403d12bb8d10fab38274deb3f005816f5%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/r8c9983f1172a3415f915ddb7e14de632d2d0c326eb1285755a024165%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/rd00b45b93fda4a5bd013b28587207d0e00f99f6e3308dbb6025f3b01%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/rf2f0f3611f937cf6cfb3b4fe4a67f69885855126110e1e3f2fb2728e%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E
- 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 Link, Patch, Vendor Advisory
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000530Third Party Advisory
- http://marc.info/?l=apache-httpd-announce&m=103367938230488&w=2Mailing List, Third Party Advisory
- http://marc.info/?l=bugtraq&m=103376585508776&w=2Issue Tracking, Mailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.