Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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.

Published

2021-03-09T22:15:12.880

Last Modified

2024-11-21T05:59:06.753

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 3.7 (LOW)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-125

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	squid-cache	squid	≤ 4.14	Yes
Application	squid-cache	squid	≤ 5.0.5	Yes
Operating System	fedoraproject	fedora	33	Yes
Operating System	fedoraproject	fedora	34	Yes
Operating System	debian	debian_linux	10.0	Yes
Operating System	debian	debian_linux	11.0	Yes

References

http://www.openwall.com/lists/oss-security/2021/10/04/1 Mailing List, Third Party Advisory ([email protected])
http://www.squid-cache.org/Versions/ Product, Vendor Advisory ([email protected])
https://github.com/squid-cache/squid/security/advisories/GHSA-rgf3-9v3p-qp82 Broken Link ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LSQ3U54ZCNXR44QRPW3AV2VCS6K3TKCF/ ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T4EPIWUZDJAXADDHVOPKRBTQHPBR6H66/ ([email protected])
https://security.gentoo.org/glsa/202105-14 Third Party Advisory ([email protected])
https://www.debian.org/security/2022/dsa-5171 Third Party Advisory ([email protected])
https://www.zerodayinitiative.com/advisories/ZDI-21-157/ Third Party Advisory, VDB Entry ([email protected])
http://www.openwall.com/lists/oss-security/2021/10/04/1 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.squid-cache.org/Versions/ Product, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/squid-cache/squid/security/advisories/GHSA-rgf3-9v3p-qp82 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LSQ3U54ZCNXR44QRPW3AV2VCS6K3TKCF/ (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T4EPIWUZDJAXADDHVOPKRBTQHPBR6H66/ (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/202105-14 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2022/dsa-5171 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.zerodayinitiative.com/advisories/ZDI-21-157/ Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)