SSRF Vulnerability in Shibboleth XMLTooling Before 3.2.4
CVE-2023-36661

7.5HIGH

Key Information:

Vendor

Shibboleth

Status
Xmltooling
Vendor
CVE Published:
25 June 2023

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 60%

What is CVE-2023-36661?

A vulnerability in Shibboleth XMLTooling, prior to version 3.2.4, allows for Server-Side Request Forgery (SSRF) attacks through a maliciously crafted KeyInfo element. This impacts related products like OpenSAML and Shibboleth Service Provider, necessitating urgent upgrades to versions 3.2.4 or 3.4.1.3 respectively, to mitigate potential exploits. Users are encouraged to review the advisory for more information.

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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.

Metasploit exploit module for CVE-2023-36661
Created by Rapid7

References

https://www.debian.org/security/2023/dsa-5432
vendor-advisory
https://shibboleth.net/community/advisories/secadv_202306...

EPSS Score

60% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
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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