YaBB 9.11.2000 - 'search.pl' Arbitrary Command Execution
| Reporter | Title | Published | Views | Family All 6 |
|---|---|---|---|---|
 | YaBB SE < 1.5.2 Remote File Inclusion and SQL Injection | 18 Aug 200400:00 | – | nessus |
| YaBB SE < 1.5.2 Multiple Vulnerabilities | 7 May 200300:00 | – | nessus |
 | CVE-2000-1176 | 19 Dec 200005:00 | – | cve |
 | CVE-2000-1176 | 19 Dec 200005:00 | – | cvelist |
 | EUVD-2000-1161 | 7 Oct 202500:30 | – | euvd |
 | CVE-2000-1176 | 9 Jan 200105:00 | – | nvd |
source: https://www.securityfocus.com/bid/1921/info
YaBB (Yet Another Bulletin Board) is a popular perl-based bulletin board scripting package.
search. pl, one of several perl scripts which comprise YaBB, fails to properly validate user input which arguments a call to open().
A malicious user could supply a string containing '/../'-type sequences and shell commands. As a result of search.pl's failure to reject this type of input, it is possible to traverse the script's normal working directories, and to execute arbitrary commands on the host with the privelege level of YaBB. This can lead to an anonymous internet user gaining shell access to the host.
An attacker could easily create a malicious html form with a catsearch such as:
./../../../../../usr/bin/touch%20/tmp/foo|Data
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07 Nov 2017 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 27.5
EPSS0.05716