CVE-2021-41819
CVSS V2 Medium 5
CVSS V3 High 7.5
Description
CGI::Cookie.parse in Ruby through 2.6.8 mishandles security prefixes in cookie names. This also affects the CGI gem through 0.3.0 for Ruby.
Overview
- CVE ID
- CVE-2021-41819
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2022-01-01T06:15:07
- Last Modified Date
- 2022-09-10T02:39:25
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:ruby-lang:cgi:0.1.0:*:*:*:*:ruby:*:* | 1 | OR | ||
| cpe:2.3:a:ruby-lang:cgi:0.2.0:*:*:*:*:ruby:*:* | 1 | OR | ||
| cpe:2.3:a:ruby-lang:cgi:0.3.0:*:*:*:*:ruby:*:* | 1 | OR | ||
| cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:* | 1 | OR | 2.6.8 | |
| cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:* | 1 | OR | 2.7.0 | 2.7.5 |
| cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:* | 1 | OR | 3.0.0 | 3.0.3 |
| cpe:2.3:a:redhat:software_collections:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:suse:linux_enterprise:11.0:sp1:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:suse:linux_enterprise:12.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:suse:linux_enterprise:15.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:opensuse:factory:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:N/I:P/A:N
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://hackerone.com/reports/910552 | Permissions Required Third Party Advisory |
| https://www.ruby-lang.org/en/news/2021/11/24/cookie-prefix-spoofing-in-cgi-cookie-parse-cve-2021-41819/ | Exploit Vendor Advisory |
| https://security.netapp.com/advisory/ntap-20220121-0003/ | Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UTOJGS5IEFDK3UOO7IY4OTTFGHGLSWZF/ | |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IUXQCH6FRKANCVZO2Q7D2SQX33FP3KWN/ |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-41819 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41819 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-08 06:06:47 | Added to TrackCVE | |||
| 2022-12-06 05:27:01 | 2022-01-01T06:15Z | 2022-01-01T06:15:07 | CVE Published Date | updated |
| 2022-12-06 05:27:01 | 2022-09-10T02:39:25 | CVE Modified Date | updated | |
| 2022-12-06 05:27:01 | Analyzed | Vulnerability Status | updated |