NVD Vulnerability Detail
Search Exploit, PoC
CVE-2002-0839
Summary

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.

Publication Date Oct. 11, 2002, 1 p.m.
Registration Date Jan. 29, 2021, 6:04 p.m.
Last Update Nov. 7, 2023, 10:55 a.m.
CVSS2.0 : HIGH
Score 7.2
Vector AV:L/AC:L/Au:N/C:C/I:C/A:C
攻撃元区分(AV) ローカル
攻撃条件の複雑さ(AC) 低
攻撃前の認証要否(Au) 不要
機密性への影響(C) 高
完全性への影響(I) 高
可用性への影響(A) 高
Get all privileges. はい
Get user privileges いいえ
Get other privileges いいえ
User operation required いいえ
Affected software configurations
Configuration1 or higher or less more than less than
cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* 1.3.0 1.3.27
Configuration2 or higher or less more than less than
cpe:2.3:o:debian:debian_linux:2.2:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:3.0:*:*:*:*:*:*:*
Related information, measures and tools
Common Vulnerabilities List