CVE-2021-28116

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.

CVSS v3.0 5.3 MEDIUM
CVSS v2.0 4.3 MEDIUM

5.3^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:N/A:N

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://github.com/squid-cache/squid/security/advisories/GHSA-rgf3-9v3p-qp82	Broken Link
http://www.squid-cache.org/Versions/	Product Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-157/	Third Party Advisory VDB Entry
https://security.gentoo.org/glsa/202105-14	Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T4EPIWUZDJAXADDHVOPKRBTQHPBR6H66/	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LSQ3U54ZCNXR44QRPW3AV2VCS6K3TKCF/	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/10/04/1	Mailing List Third Party Advisory
https://www.debian.org/security/2022/dsa-5171	Third Party Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:squid-cache:squid::::::::
	cpe:2.3:a:squid-cache:squid::::::::

Configuration 2 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:33:::::::*
	cpe:2.3:o:fedoraproject:fedora:34:::::::*

Configuration 3 (hide)

OR	cpe:2.3:o:debian:debian_linux:10.0:::::::*
	cpe:2.3:o:debian:debian_linux:11.0:::::::*

Information

Published : 2021-03-09 14:15

Updated : 2023-02-03 10:56

NVD link : CVE-2021-28116

Mitre link : CVE-2021-28116

JSON object : View

CWE

CWE-125

Out-of-bounds Read

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Products Affected

debian

debian_linux

fedoraproject

fedora

squid-cache

squid

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