Vulnerability DatabaseCVE-2021-28116
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CVE-2021-28116
March 09, 2021
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.
Related Resources (14)
https://www.debian.org/security/2022/dsa-5171
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LSQ3U54ZCNXR44QRPW3AV2VCS6K3TKCF/
https://security.gentoo.org/glsa/202105-14
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T4EPIWUZDJAXADDHVOPKRBTQHPBR6H66/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LSQ3U54ZCNXR44QRPW3AV2VCS6K3TKCF/
https://security.alpinelinux.org/vuln/CVE-2021-28116
http://www.squid-cache.org/Versions/
https://access.redhat.com/security/cve/CVE-2021-28116
http://www.openwall.com/lists/oss-security/2021/10/04/1
https://security-tracker.debian.org/tracker/CVE-2021-28116
https://github.com/squid-cache/squid/security/advisories/GHSA-rgf3-9v3p-qp82
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-28116
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T4EPIWUZDJAXADDHVOPKRBTQHPBR6H66/
https://www.zerodayinitiative.com/advisories/ZDI-21-157/
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CVSS v4
Base Score:
6.3
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
3.7
Attack Complexity
HIGH
Attack Vector
NETWORK
Availability
NONE
Confidentiality
LOW
Integrity
NONE
Privileges Required
NONE
Scope
UNCHANGED
User Interaction
NONE
CVSS v2
Base Score:
4.3
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
EPSS
Base Score:
7.04