ithewei libhv up to 1.3.3 request smuggling

Summaryinfo

A vulnerability described as critical has been identified in ithewei libhv up to 1.3.3. The impacted element is an unknown function. Such manipulation leads to request smuggling. This vulnerability is traded as CVE-2025-1867. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in ithewei libhv up to 1.3.3 and classified as critical. Affected by this issue is an unknown code block. The manipulation with an unknown input leads to a request smuggling vulnerability. Using CWE to declare the problem leads to CWE-444. The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two entities such as a client and server, but it does not interpret malformed HTTP requests or responses in ways that are consistent with how the messages will be processed by those entities that are at the ultimate destination. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') vulnerability in ithewei libhv allows HTTP Response Smuggling.This issue affects libhv: through 1.3.3.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2025-1867 since 03/03/2025. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 03/03/2025).

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

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

• ithewei

Name

• libhv

Version

• 1.3.0
• 1.3.1
• 1.3.2
• 1.3.3

Website

• Product: https://github.com/ithewei/libhv/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion