HTTP Request/Response Smuggling Vulnerability in HAProxy by HAProxy Technologies
CVE-2023-25950

7.3HIGH

Key Information:

Status
Vendor
CVE Published:
11 April 2023

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2023-25950?

An HTTP request/response smuggling vulnerability exists in HAProxy versions 2.6.1 through 2.6.7 and 2.7.0. This flaw enables remote attackers to manipulate legitimate user requests, potentially leading to unauthorized information disclosure or a denial-of-service (DoS) condition. Effective security measures should be implemented to mitigate the risk associated with this vulnerability.

Affected Version(s)

HAProxy version 2.7.0, and version 2.6.1 to 2.6.7

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

CVSS V3.1

Score:
7.3
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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