CVE-2002-0839

Severity Score

7.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

La tabla de puntuaciones (scoreboard) en memoria compartida del demonio HTTP en Apache 1.3.x anteriores a 1.3.27 permite a cualquier usuario corriendo con la UID de Apache enviar un señas SIGUSR1 a cualquier proceso como root, resultando en un a denegación de servicio (muerte de proceso) o posiblemente otros comportamientos no no serian permitidos normalmente, mediane la modificación de los segmentos parent[].pid y parent[].last_rtime en los segmentos de la tabla de puntuaciones.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2002-08-08 CVE Reserved
2002-10-05 CVE Published
2024-08-08 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CAPEC

References (25)

URL	Tag	Source
http://archives.neohapsis.com/archives/bugtraq/2002-10/0195.html	Broken Link
http://archives.neohapsis.com/archives/bugtraq/2002-10/0254.html	Broken Link
http://marc.info/?l=apache-httpd-announce&m=103367938230488&w=2	Mailing List
http://marc.info/?l=bugtraq&m=103376585508776&w=2	Issue Tracking
http://www.securityfocus.com/bid/5884	Third Party Advisory
https://lists.apache.org/thread.html/r5419c9ba0951ef73a655362403d12bb8d10fab38274deb3f005816f5%40%3Ccvs.httpd.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/r8c9983f1172a3415f915ddb7e14de632d2d0c326eb1285755a024165%40%3Ccvs.httpd.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/rd00b45b93fda4a5bd013b28587207d0e00f99f6e3308dbb6025f3b01%40%3Ccvs.httpd.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/rf2f0f3611f937cf6cfb3b4fe4a67f69885855126110e1e3f2fb2728e%40%3Ccvs.httpd.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E	Mailing List

URL	Date	SRC

URL	Date	SRC
http://archives.neohapsis.com/archives/vulnwatch/2002-q4/0012.html	2023-11-07

URL	Date	SRC
ftp://patches.sgi.com/support/free/security/advisories/20021105-01-I	2023-11-07
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000530	2023-11-07
http://marc.info/?l=bugtraq&m=130497311408250&w=2	2023-11-07
http://online.securityfocus.com/advisories/4617	2023-11-07
http://www.apacheweek.com/issues/02-10-04	2023-11-07
http://www.debian.org/security/2002/dsa-187	2023-11-07
http://www.debian.org/security/2002/dsa-188	2023-11-07
http://www.debian.org/security/2002/dsa-195	2023-11-07
http://www.iss.net/security_center/static/10280.php	2023-11-07
http://www.linux-mandrake.com/en/security/2002/MDKSA-2002-068.php	2023-11-07
http://www.linuxsecurity.com/advisories/other_advisory-2414.html	2023-11-07
https://access.redhat.com/security/cve/CVE-2002-0839	2003-04-22
https://bugzilla.redhat.com/show_bug.cgi?id=1616822	2003-04-22

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Apache Search vendor "Apache"		Http Server Search vendor "Apache" for product "Http Server"				>= 1.3.0 < 1.3.27 Search vendor "Apache" for product "Http Server" and version " >= 1.3.0 < 1.3.27"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				2.2 Search vendor "Debian" for product "Debian Linux" and version "2.2"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				3.0 Search vendor "Debian" for product "Debian Linux" and version "3.0"		-		Affected