GoogleOSV:CVE-2021-28116CVE-2021-28116
5.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:N/A:N
0.041 Low
EPSS
Percentile
92.0%
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.
| CPE | Name | Operator | Version |
|---|---|---|---|
| squid | eq | 3.5.22-r0 | |
| squid | eq | M-staged-PR268 | |
| squid | eq | SQUID_4_0_4 | |
| squid | eq | SQUID_4_14 | |
| squid | eq | 4.13-r1 | |
| squid | eq | M-staged-PR239 | |
| squid | eq | 4.12-r0 | |
| squid | eq | 3.3.7-r0 | |
| squid | eq | M-staged-PR199 | |
| squid | eq | M-staged-PR365 |
References
www.openwall.com/lists/oss-security/2021/10/04/1
www.squid-cache.org/Versions/
github.com/squid-cache/squid/security/advisories/GHSA-rgf3-9v3p-qp82
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LSQ3U54ZCNXR44QRPW3AV2VCS6K3TKCF/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T4EPIWUZDJAXADDHVOPKRBTQHPBR6H66/
security.gentoo.org/glsa/202105-14
www.debian.org/security/2022/dsa-5171
www.zerodayinitiative.com/advisories/ZDI-21-157/
Related
5.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:N/A:N
0.041 Low
EPSS
Percentile
92.0%