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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
3.7 LOW
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
mitreCNA
3.7 LOW
NETWORK
HIGH
NONE
CVSS:3.1/AC:H/AV:N/A:N/C:L/I:N/PR:N/S:U/UI:N
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 93%
VendorProductVersion
squid-cachesquid
𝑥
≤ 4.14
squid-cachesquid
5.0 ≤
𝑥
≤ 5.0.5
debiandebian_linux
10.0
debiandebian_linux
11.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
squid
bullseye (security)
4.13-10+deb11u3
fixed
bullseye
4.13-10+deb11u3
fixed
stretch
postponed
bookworm
5.7-2+deb12u2
fixed
bookworm (security)
5.7-2+deb12u2
fixed
sid
6.12-1
fixed
trixie
6.12-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
squid
noble
Fixed 4.13-10ubuntu5
released
mantic
Fixed 4.13-10ubuntu5
released
lunar
Fixed 4.13-10ubuntu5
released
kinetic
Fixed 4.13-10ubuntu5
released
jammy
Fixed 4.13-10ubuntu5
released
impish
Fixed 4.13-10ubuntu5
released
hirsute
Fixed 4.13-1ubuntu4.2
released
groovy
ignored
focal
Fixed 4.10-1ubuntu1.5
released
bionic
dne
xenial
dne
trusty
dne
squid3
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
impish
dne
hirsute
dne
groovy
dne
focal
dne
bionic
Fixed 3.5.27-1ubuntu1.12
released
xenial
needed
trusty
dne
Common Weakness Enumeration
References
http://www.openwall.com/lists/oss-security/2021/10/04/1
http://www.squid-cache.org/Versions/
https://github.com/squid-cache/squid/security/advisories/GHSA-rgf3-9v3p-qp82
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LSQ3U54ZCNXR44QRPW3AV2VCS6K3TKCF/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T4EPIWUZDJAXADDHVOPKRBTQHPBR6H66/
https://security.gentoo.org/glsa/202105-14
https://www.debian.org/security/2022/dsa-5171
https://www.zerodayinitiative.com/advisories/ZDI-21-157/
http://www.openwall.com/lists/oss-security/2021/10/04/1
http://www.squid-cache.org/Versions/
https://github.com/squid-cache/squid/security/advisories/GHSA-rgf3-9v3p-qp82
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LSQ3U54ZCNXR44QRPW3AV2VCS6K3TKCF/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T4EPIWUZDJAXADDHVOPKRBTQHPBR6H66/
https://security.gentoo.org/glsa/202105-14
https://www.debian.org/security/2022/dsa-5171
https://www.zerodayinitiative.com/advisories/ZDI-21-157/