CVE-2023-28119
crewjam/saml vulnerable to Denial Of Service Via Deflate Decompression Bomb
Vexday Risk Score
21Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 7.5EPSS 1.0%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
22 Mar 2023Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
The crewjam/saml go library contains a partial implementation of the SAML standard in golang. Prior to version 0.4.13, the package's use of `flate.NewReader` does not limit the size of the input. The user can pass more than 1 MB of data in the HTTP request to the processing functions, which will be decompressed server-side using the Deflate algorithm. Therefore, after repeating the same request multiple times, it is possible to achieve a reliable crash since the operating system kills the process. This issue is patched in version 0.4.13.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
crewjam · samlWant to know if your infrastructure is exposed to this?
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