CVE-2024-47832

XML Signature Bypass via differential XML parsing in ssoready

Description

ssoready is a single sign on provider implemented via docker. Affected versions are vulnerable to XML signature bypass attacks. An attacker can carry out signature bypass if you have access to certain IDP-signed messages. The underlying mechanism exploits differential behavior between XML parsers. Users of https://ssoready.com, the public hosted instance of SSOReady, are unaffected. We advise folks who self-host SSOReady to upgrade to 7f92a06 or later. Do so by updating your SSOReady Docker images from sha-... to sha-7f92a06. There are no known workarounds for this vulnerability.

Category

9.3
CVSS
Severity: Critical
CVSS 4.0 •
CVSS 3.1 •
EPSS 0.11%
Vendor Advisory github.com
Affected: ssoready ssoready
Published at:
Updated at:

References

Link Tags
https://github.com/ssoready/ssoready/security/advisories/GHSA-j2hr-q93x-gxvh vendor advisory
https://github.com/ssoready/ssoready/commit/7f92a0630439972fcbefa8c7eafe8c144bd89915 patch
https://ssoready.com/docs/self-hosting/self-hosting-sso-ready product

Frequently Asked Questions

What is the severity of CVE-2024-47832?
CVE-2024-47832 has been scored as a critical severity vulnerability.
How to fix CVE-2024-47832?
To fix CVE-2024-47832, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-47832 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-47832 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-47832?
CVE-2024-47832 affects ssoready ssoready.
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