CVE-2023-26483
5.3 · MEDIUMOverview
CVE-2023-26483 is a medium-severity vulnerability affecting gosaml2_project gosaml2. It was published on March 3, 2023 and has a CVSS 3.1 base score of 5.3 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
gosaml2 is a Pure Go implementation of SAML 2.0. SAML Service Providers using this library for SAML authentication support are likely susceptible to Denial of Service attacks. A bug in this library enables attackers to craft a `deflate`-compressed request which will consume significantly more memory during processing than the size of the original request. This may eventually lead to memory exhaustion and the process being killed. The maximum compression ratio achievable with `deflate` is 1032:1, so by limiting the size of bodies passed to gosaml2, limiting the rate and concurrency of calls, and ensuring that lots of memory is available to the process it _may_ be possible to help Go's garbage collector "keep up". Implementors are encouraged not to rely on this. This issue is fixed in version 0.9.0.
Remediation
Check the references section for vendor advisories and patches from gosaml2_project. Update gosaml2 to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| gosaml2_project | gosaml2 | >= 0, < 0.9.0 | Affected |
References
Frequently Asked Questions
What is CVE-2023-26483?
CVE-2023-26483 is a medium-severity vulnerability affecting gosaml2_project gosaml2. It was published on March 3, 2023 and has a CVSS 3.1 base score of 5.3 (MEDIUM).
How severe is CVE-2023-26483?
This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2023-26483?
Check the references section for vendor advisories and patches from gosaml2_project. Update gosaml2 to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2023-26483?
CyberStrike's AI-powered security agents can automatically detect CVE-2023-26483 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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