CVE-2023-22792
A regular expression based DoS vulnerability in Action Dispatch <6.0.6.1,< 6.1.7.1, and <7.0.4.1.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.70%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A regular expression based DoS vulnerability in Action Dispatch <6.0.6.1,< 6.1.7.1, and <7.0.4.1. Specially crafted cookies, in combination with a specially crafted X_FORWARDED_HOST header can cause the regular expression engine to enter a state of catastrophic backtracking. This can cause the process to use large amounts of CPU and memory, leading to a possible DoS vulnerability All users running an affected release should either upgrade or use one of the workarounds immediately.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.70% probability · 76th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-400, CWE-1333
- Affected
- rubyonrails/rails
- Source
- support@hackerone.com
References
- https://discuss.rubyonrails.org/t/cve-2023-22792-possible-redos-based-dos-vulnerability-in-action-dispatch/82115Patch, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20240202-0007/
- https://www.debian.org/security/2023/dsa-5372
- https://discuss.rubyonrails.org/t/cve-2023-22792-possible-redos-based-dos-vulnerability-in-action-dispatch/82115Patch, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20240202-0007/
- https://www.debian.org/security/2023/dsa-5372
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.