CVE-2021-28116 — Out-of-bounds Read in Squid

CWE-125 — Out-of-bounds Read7 documents7 sources
Severity
5.3MEDIUMNVD
CNA3.7
EPSS
10.5%
top 6.72%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
SquidSquid-cache SquidDebian Linux+1 more
Timeline
PublishedMar 9
Latest updateMay 24

Description

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 vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NExploitability: 3.9 | Impact: 1.4

Affected Packages2 packages

▶Debiansquid/squid< 4.13-10+deb11u1+3
▶NVDsquid-cache/squid5.0 — 5.0.5+1

Also affects: Debian Linux 10.0, 11.0, Fedora 33, 34

🔴Vulnerability Details

3
GHSA
GHSA-gf37-7jp8-4qpf: Squid through 4↗2022-05-24
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CVEList
CVE-2021-28116: Squid through 4↗2021-03-09
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OSV
CVE-2021-28116: Squid through 4↗2021-03-09
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📋Vendor Advisories

3
Ubuntu
Squid vulnerability↗2021-10-05
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Red Hat
squid: out-of-bounds read in WCCP protocol data may lead to information disclosure↗2021-02-09
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Debian
CVE-2021-28116: squid - Squid through 4.14 and 5.x through 5.0.5, in some configurations, allows informa...↗2021
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CVE-2021-28116 — Out-of-bounds Read in Squid | cvebase