CVE-2023-22795
Published Feb 9, 2023
Last updated 9 months ago
Overview
- Description
- 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.
- Source
- support@hackerone.com
- NVD status
- Modified
Social media
- Hype score
- Not currently trending
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 7.5
- Impact score
- 3.6
- Exploitability score
- 3.9
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Severity
- HIGH
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:rubyonrails:rails:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "3A4B1AF3-B872-4699-9EFF-BD9B9822B5D7",
"versionEndExcluding": "6.1.7.1"
},
{
"criteria": "cpe:2.3:a:rubyonrails:rails:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "CDA4E147-AAD7-4EA9-BB6B-8358610FEE9A",
"versionEndExcluding": "7.0.4.1",
"versionStartIncluding": "7.0.0"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "F841AE5D-60DD-4E3A-854A-9B7B906BF7E7",
"versionEndExcluding": "3.2.0"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*",
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}
],
"operator": "OR"
}
]
}
]