CVE-2021-28116
CVSS V2 Medium 4.3
CVSS V3 Medium 5.3
Description
Squid through 4.14 and 5.x through 5.0.5, in some configurations, allows information disclosure because of an out-of-bounds read in WCCP protocol data. This can be leveraged as part of a chain for remote code execution as nobody.
Overview
- CVE ID
- CVE-2021-28116
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-03-09T22:15:12
- Last Modified Date
- 2023-02-03T18:56:36
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:* | 1 | OR | 4.14 | |
| cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:* | 1 | OR | 5.0 | 5.0.5 |
| cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:P/I:N/A:N
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 4.3
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- 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:L/I:N/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- LOW
- Availability Impact
- NONE
- Base Score
- 5.3
- Base Severity
- MEDIUM
- Exploitability Score
- 3.9
- Impact Score
- 1.4
References
| Reference URL | Reference Tags |
|---|---|
| http://www.openwall.com/lists/oss-security/2021/10/04/1 | Mailing List Third Party Advisory |
| http://www.squid-cache.org/Versions/ | Product Vendor Advisory |
| https://github.com/squid-cache/squid/security/advisories/GHSA-rgf3-9v3p-qp82 | Broken Link |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LSQ3U54ZCNXR44QRPW3AV2VCS6K3TKCF/ | Mailing List Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T4EPIWUZDJAXADDHVOPKRBTQHPBR6H66/ | Mailing List Third Party Advisory |
| https://security.gentoo.org/glsa/202105-14 | Third Party Advisory |
| https://www.debian.org/security/2022/dsa-5171 | |
| https://www.zerodayinitiative.com/advisories/ZDI-21-157/ | Third Party Advisory VDB Entry |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-28116 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28116 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:30:13 | Added to TrackCVE | |||
| 2022-12-05 23:23:48 | 2021-03-09T22:15Z | 2021-03-09T22:15:12 | CVE Published Date | updated |
| 2022-12-05 23:23:48 | 2022-06-28T13:15:09 | CVE Modified Date | updated | |
| 2022-12-05 23:23:48 | Undergoing Analysis | Vulnerability Status | updated | |
| 2022-12-05 23:23:53 | References | updated | ||
| 2023-02-03 19:11:54 | 2023-02-03T18:56:36 | CVE Modified Date | updated | |
| 2023-02-03 19:11:54 | Undergoing Analysis | Analyzed | Vulnerability Status | updated |