sslheaders Plugin up to 6.0.3/7.1.5/8.0.1 Header information disclosure

Summaryinfo

A vulnerability, which was classified as problematic, has been found in sslheaders Plugin up to 6.0.3/7.1.5/8.0.1. This affects an unknown part of the component Header Handler. This manipulation causes information disclosure. The identification of this vulnerability is CVE-2018-11783. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as critical was found in sslheaders Plugin up to 6.0.3/7.1.5/8.0.1. Affected by this vulnerability is an unknown functionality of the component Header Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

sslheaders plugin extracts information from the client certificate and sets headers in the request based on the configuration of the plugin. The plugin doesn't strip the headers from the request in some scenarios. This problem was discovered in versions 6.0.0 to 6.0.3, 7.0.0 to 7.1.5, and 8.0.0 to 8.0.1.

The bug was discovered 02/12/2019. The weakness was shared 03/07/2019 (Website). It is possible to read the advisory at lists.apache.org. This vulnerability is known as CVE-2018-11783 since 06/05/2018. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 23 days. During that time the estimated underground price was around $0-$5k.

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

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

• sslheaders Plugin

Version

• 6.0.0
• 6.0.1
• 6.0.2
• 6.0.3
• 7.1.0
• 7.1.1
• 7.1.2
• 7.1.3
• 7.1.4
• 7.1.5
• 8.0.0
• 8.0.1

CPE 2.3info

• 🔍
• 🔍
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CPE 2.2info

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