CVE-2009-2396

DM Albums <= 1.9.2 - Remote File Inclusion

2009-06-29 00:00
Septemb0x

Strategic Overview

Status
Patched in 1.9.3
Affected Plugin
dm-albums
Affected Version
<= 1.9.2
CVSS
9.8Critical
Weakness type
CWE-98 · Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion')
CVE
CVE-2009-2396
View all dm-albums vulnerabilities

At a glance

CVE-2009-2396 is a critical-severity Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in the dm-albums WordPress plugin, affecting versions <= 1.9.2. It carries a CVSS score of 9.8 (reachable over the network; low attack complexity; high confidentiality, integrity, availability impact). Exploitation requires no authentication. The issue is fixed in version 1.9.3; sites on affected versions should update now. Disclosed June 2009, reported by Septemb0x.

Vulnerability Overview

PHP remote file inclusion vulnerability in template/album.php in DM Albums 1.9.2, as used standalone or as a WordPress plugin, allows remote attackers to execute arbitrary PHP code via a URL in the SECURITY_FILE parameter.

Technical Analysis

The vector marks this flaw as remotely reachable over the network, with low attack complexity — no special timing or configuration is needed, and no privileges on the target site, and no interaction from a victim user. A successful exploit has high impact on confidentiality, integrity, availability — full site compromise territory.

CWE-98: Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion')

Reaching this weakness in dm-albums <= 1.9.2 takes a caller who can reach the endpoint. PHP file inclusion means a path used by include or require is built from request data, so the file that gets executed is under the caller's influence.

Including an attacker-influenced file executes its contents, which is why this class is routinely chained with an upload or log-poisoning step to reach code execution. For dm-albums the fix is 1.9.3: builds <= 1.9.2 are affected, anything from 1.9.3 onward is not.

Remediation

Update to version 1.9.3, or a newer patched version

How does WordSec protect against this?

The attempt arrives as an ordinary request to dm-albums: WordSec's web application firewall inspects request payloads before WordPress loads them. Classes like this one can leave something behind, so the staged malware scanner is the second half: it looks for dropped files and modified code rather than for the request that created them. None of that substitutes for the fix: dm-albums 1.9.3 closes this, and updating the plugin is the step that ends it.

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External References

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