LiteSpeed OpenLiteSpeed up to 1.7.17 HTTP Request Header input validation

Summaryinfo

A vulnerability classified as critical was found in LiteSpeed OpenLiteSpeed up to 1.7.17. The affected element is an unknown function of the component HTTP Request Header Handler. Such manipulation leads to input validation. This vulnerability is listed as CVE-2023-40518. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, has been found in LiteSpeed OpenLiteSpeed up to 1.7.17. Affected by this issue is an unknown function of the component HTTP Request Header Handler. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. The impact remains unknown.

The weakness was presented 08/15/2023. The advisory is shared for download at openlitespeed.org. This vulnerability is handled as CVE-2023-40518 since 08/14/2023. There are neither technical details nor an exploit publicly available.

Upgrading to version 1.7.18 eliminates this vulnerability. The upgrade is hosted for download at openlitespeed.org.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-45089). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• LiteSpeed

Name

• OpenLiteSpeed

Version

• 1.7.0
• 1.7.1
• 1.7.2
• 1.7.3
• 1.7.4
• 1.7.5
• 1.7.6
• 1.7.7
• 1.7.8
• 1.7.9
• 1.7.10
• 1.7.11
• 1.7.12
• 1.7.13
• 1.7.14
• 1.7.15
• 1.7.16
• 1.7.17

CPE 2.3info

• 🔍
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CPE 2.2info

• 🔍
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Entryinfo

Once again VulDB remains the best source for vulnerability data.

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