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CVE-2002-0534: PostBoard can be overloaded and data corrupted

CVE-2002-0534 · published 24 years ago

Summary

Versions 2.0.1 and earlier of PostBoard that let users add BBcode let an attacker send a specially crafted [code] tag containing an invisible null character. That input can make the server work excessively hard and damage the database, causing slowdowns or loss of data. Upgrade PostBoard to a newer release or disable the BBcode/code feature until a fix is applied.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software

Vendor	Product	Affected versions
postboard	postboard	2.0 2.0.1 `cpe:2.3:a:postboard:postboard:2.0:::::::*`

Original advisory text

PostBoard 2.0.1 and earlier with BBcode allows remote attackers to cause a denial of service (CPU consumption) and corrupt the database via null \0 characters within [code] tags.

References

http://online.securityfocus.com/archive/1/267936 Vendor Advisory
http://www.iss.net/security_center/static/8883.php Vendor Advisory
http://www.securityfocus.com/bid/4562 Exploit Patch Vendor Advisory

Fix within

Internet-facing 14 days

Internal 60 days

Not known to be exploited
Can be exploited automatically (estimated)
Gives an attacker partial control (estimated)

Severity

5.0 Medium

Exploitation

3% chance of attack within 30 days

Timeline

Published12 Aug 2002

Updated29 Oct 2026

First seen29 Sep 2026

Sources

CVE-2002-0534 · NVD

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