Request/Response Smuggling in HAProxy 2.6.1-2.6.7/2.7.0
CVE-2023-25950 Published on April 11, 2023
HTTP request/response smuggling vulnerability in HAProxy version 2.7.0, and 2.6.1 to 2.6.7 allows a remote attacker to alter a legitimate user's request. As a result, the attacker may obtain sensitive information or cause a denial-of-service (DoS) condition.
Vulnerability Analysis
CVE-2023-25950 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be low. considered to have a small impact on confidentiality and integrity and availability.
Weakness Type
What is a HTTP Request Smuggling Vulnerability?
When malformed or abnormal HTTP requests are interpreted by one or more entities in the data flow between the user and the web server, such as a proxy or firewall, they can be interpreted inconsistently, allowing the attacker to "smuggle" a request to one device without the other device being aware of it.
CVE-2023-25950 has been classified to as a HTTP Request Smuggling vulnerability or weakness.
Products Associated with CVE-2023-25950
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Affected Versions
HAProxy Technologies HAProxy Version version 2.7.0, and version 2.6.1 to 2.6.7 is affected by CVE-2023-25950Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.