CVE-2024-1735
First published: Mon Feb 26 2024(Updated: )
### Impact The SAML implementation provided by `armeria-saml` currently accepts unsigned SAML messages (assertions, logout requests, etc.) as they are, rather than rejecting them by default. As a result, an attacker can forge a SAML message to authenticate themselves, despite the fact that such an unsigned SAML message should be rejected. ### Patches The vulnerability has been patched in Armeria version 1.27.2. All users who rely on `armeria-saml` older than version 1.27.2 must upgrade to 1.27.2 or later. ### Workarounds There is no known workaround for this vulnerability. ### References [`SamlMessageUtil.validateSignature()`](https://github.com/line/armeria/blob/0efc776988d71be4da6e506ec8a33c2b7b43f567/saml/src/main/java/com/linecorp/armeria/server/saml/SamlMessageUtil.java#L160-L163)
Credit: dl_cve@linecorp.com dl_cve@linecorp.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| maven/com.linecorp.armeria:armeria-saml | <=1.27.1 | 1.27.2 |
| Line Corporation Armeria | <1.27.2 |
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Reference Links
- https://github.com/line/armeria/security/advisories/GHSA-4m6j-23p2-8c54
- https://nvd.nist.gov/vuln/detail/CVE-2024-1735
- https://github.com/line/armeria/commit/b2aa9f49b46a7b0e03d8b8d753809cd1e8e2016c
- https://github.com/line/armeria/blob/0efc776988d71be4da6e506ec8a33c2b7b43f567/saml/src/main/java/com/linecorp/armeria/server/saml/SamlMessageUtil.java#L160-L163
- https://github.com/line/armeria/releases/tag/armeria-1.27.2
- https://github.com/advisories/GHSA-4m6j-23p2-8c54 (Advisory)
- https://hackerone.com/reports/2284129
Frequently Asked Questions
What is the severity of CVE-2024-1735?
CVE-2024-1735 has a high severity due to the risk of authentication bypass via unsigned SAML messages.
How do I fix CVE-2024-1735?
To fix CVE-2024-1735, upgrade the armeria-saml package to version 1.27.2 or later.
What software is affected by CVE-2024-1735?
CVE-2024-1735 affects versions of the armeria-saml package up to and including 1.27.1.
What type of vulnerability is CVE-2024-1735?
CVE-2024-1735 is an authentication vulnerability related to the acceptance of unsigned SAML messages.
Can CVE-2024-1735 lead to data breaches?
Yes, CVE-2024-1735 can lead to unauthorized access, potentially resulting in data breaches.
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