CVE-2021-31807 — Integer Overflow or Wraparound in Squid

CWE-190 — Integer Overflow or WraparoundCWE-400 — Uncontrolled Resource Consumption7 documents7 sources
Severity
6.5MEDIUMNVD
EPSS
33.7%
top 3.05%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
SquidSquid-cache SquidFedoraproject Fedora
Timeline
PublishedJun 8
Latest updateMay 24

Description

An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. An integer overflow problem allows a remote server to achieve Denial of Service when delivering responses to HTTP Range requests. The issue trigger is a header that can be expected to exist in HTTP traffic without any malicious intent.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages2 packages

▶NVDsquid-cache/squid3.0 — 4.15+16
▶Debiansquid/squid< 4.13-10+3

Also affects: Fedora 33, 34

Patches

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

🔴Vulnerability Details

3
GHSA
GHSA-34v2-m9jr-2wg3: An issue was discovered in Squid before 4↗2022-05-24
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OSV
CVE-2021-31807: An issue was discovered in Squid before 4↗2021-06-08
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CVEList
CVE-2021-31807: An issue was discovered in Squid before 4↗2021-06-08
▶

📋Vendor Advisories

3
Ubuntu
Squid vulnerabilities↗2021-06-03
▶
Red Hat
squid: incorrect memory management in HTTP Range header↗2021-05-10
▶
Debian
CVE-2021-31807: squid - An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. An integer ov...↗2021
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CVE-2021-31807 — Integer Overflow or Wraparound | cvebase