CVE-2021-28116
squid: out-of-bounds read in WCCP protocol data may lead to information disclosure
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
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.
Squid versiones hasta 4.14 y 5.xa 5.0.5, en algunas configuraciones, permite la divulgación de información debido a una lectura fuera de límites en los datos del protocolo WCCP. Esto puede ser aprovechado como parte de una cadena para la ejecución remota de código como nobody
A flaw was found in squid. An out-of-bounds read in the WCCP protocol can be leveraged as part of a chain for remote code execution leading to an information disclosure. The highest threat from this vulnerability is to data confidentiality.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2021-03-09 CVE Reserved
- 2021-03-09 CVE Published
- 2024-05-10 EPSS Updated
- 2024-08-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-125: Out-of-bounds Read
- CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
CAPEC
References (10)
URL | Tag | Source |
---|---|---|
http://www.openwall.com/lists/oss-security/2021/10/04/1 | Mailing List | |
https://github.com/squid-cache/squid/security/advisories/GHSA-rgf3-9v3p-qp82 | Broken Link | |
https://www.zerodayinitiative.com/advisories/ZDI-21-157 | Third Party Advisory |
URL | Date | SRC |
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URL | Date | SRC |
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Affected Vendors, Products, and Versions
Vendor | Product | Version | Other | Status | ||||||
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Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
Squid-cache Search vendor "Squid-cache" | Squid Search vendor "Squid-cache" for product "Squid" | <= 4.14 Search vendor "Squid-cache" for product "Squid" and version " <= 4.14" | - |
Affected
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Squid-cache Search vendor "Squid-cache" | Squid Search vendor "Squid-cache" for product "Squid" | >= 5.0 <= 5.0.5 Search vendor "Squid-cache" for product "Squid" and version " >= 5.0 <= 5.0.5" | - |
Affected
| ||||||
Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 33 Search vendor "Fedoraproject" for product "Fedora" and version "33" | - |
Affected
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Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 34 Search vendor "Fedoraproject" for product "Fedora" and version "34" | - |
Affected
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Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0" | - |
Affected
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Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 11.0 Search vendor "Debian" for product "Debian Linux" and version "11.0" | - |
Affected
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