CVE-2020-8450 — Incorrect Calculation of Buffer Size in Squid

CWE-131 — Incorrect Calculation of Buffer SizeCWE-787 — Out-of-bounds WriteCWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer10 documents8 sources
Severity
7.3HIGHNVD
EPSS
46.3%
top 2.35%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
6
SquidSquid-cache SquidCanonical Ubuntu Linux+3 more
Timeline
PublishedFeb 4
Latest updateMay 24

Description

An issue was discovered in Squid before 4.10. Due to incorrect buffer management, a remote client can cause a buffer overflow in a Squid instance acting as a reverse proxy.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:LExploitability: 3.9 | Impact: 3.4

Affected Packages3 packages

▶NVDsquid-cache/squid< 4.10
▶Debiansquid/squid< 4.10-1+3
▶NVDopensuse/leap15.1

Also affects: Debian Linux 10.0, 9.0, Fedora 30, 31, Ubuntu Linux 16.04, 18.04, 19.10

Patches

Patch: www.squid-cache.org ↗Patch: www.squid-cache.org ↗Patch: www.squid-cache.org ↗

🔴Vulnerability Details

4
GHSA
GHSA-vrcq-r42v-wc44: An issue was discovered in Squid before 4↗2022-05-24
▶
OSV
squid, squid3 vulnerabilities↗2020-02-20
▶
CVEList
CVE-2020-8450: An issue was discovered in Squid before 4↗2020-02-04
▶
OSV
CVE-2020-8450: An issue was discovered in Squid before 4↗2020-02-04
▶

📋Vendor Advisories

3
Ubuntu
Squid vulnerabilities↗2020-02-20
▶
Red Hat
squid: Buffer overflow in reverse-proxy configurations↗2020-02-03
▶
Debian
CVE-2020-8450: squid - An issue was discovered in Squid before 4.10. Due to incorrect buffer management...↗2020
▶

💬Community

2
Bugzilla
CVE-2020-8450 squid: Buffer overflow in a Squid acting as reverse-proxy [fedora-all]↗2020-02-05
▶
Bugzilla
CVE-2020-8450 squid: Buffer overflow in reverse-proxy configurations↗2020-02-05
▶
CVE-2020-8450 — Incorrect Calculation of Buffer Size | cvebase