A vulnerability was found in Cale Dunlap openInvoice 0.90 and classified as critical. Affected by this issue is an unknown functionality of the file auth.php. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. CVE summarizes:

auth.php in openInvoice 0.90 beta and earlier allows remote attackers to bypass authentication and gain privileges by setting the oiauth cookie. NOTE: this can be leveraged with a separate vulnerability in resetpass.php to modify passwords for arbitrary users.

The weakness was published 03/25/2009 (Website). The advisory is shared for download at xforce.iss.net. This vulnerability is handled as CVE-2008-6523 since 03/25/2009. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a public exploit are known.

A public exploit has been developed by t0pP8uZz in Perl and been published even before and not after the advisory. The exploit is available at securityfocus.com. It is declared as highly functional. The vulnerability was handled as a non-public zero-day exploit for at least 341 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:auth.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (41947) and Exploit-DB (5466). Similar entry is available at 47301.

Productinfo

Vendor

• Cale Dunlap

Name

• openInvoice

Version

• 0.90

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Discussion