CVEvulnerability

CVE-2020-15049

8.8 HIGH Published 2020-06-30 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-06-30
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.9 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS 3.1 ([email protected])
8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
6.5 MEDIUM — AV:N/AC:L/Au:S/C:P/I:P/A:P
Weaknesses
CWE-444

Description

An issue was discovered in http/ContentLengthInterpreter.cc in Squid before 4.12 and 5.x before 5.0.3. A Request Smuggling and Poisoning attack can succeed against the HTTP cache. The client sends an HTTP request with a Content-Length header containing "+\ "-" or an uncommon shell whitespace character prefix to the length field-value.

Affected configurations

• squid-cache squid (>= 2.0 <= 2.6) • squid-cache squid (>= 3.1 <= 3.5.28) • squid-cache squid (>= 4.0 < 4.12) • squid-cache squid (>= 5.0 < 5.0.3) • squid-cache squid 2.7 • fedoraproject fedora 31

Related

Weakness · CWE (1)

  • CWE-444 Inconsistent Interpretation of HTTP Requests weakness

References