fkie_cve-2023-22795
Vulnerability from fkie_nvd
Published
2023-02-09 20:15
Modified
2024-11-21 07:45
Severity ?
Summary
A regular expression based DoS vulnerability in Action Dispatch <6.1.7.1 and <7.0.4.1 related to the If-None-Match header. A specially crafted HTTP If-None-Match header can cause the regular expression engine to enter a state of catastrophic backtracking, when on a version of Ruby below 3.2.0. 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.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| rubyonrails | rails | * | |
| rubyonrails | rails | * | |
| ruby-lang | ruby | * | |
| debian | debian_linux | 11.0 |
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"id": "CVE-2023-22795",
"lastModified": "2024-11-21T07:45:26.440",
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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