vulnerability
Red Hat: CVE-2020-15049: CVE-2020-15049 squid: Request smuggling and poisoning attack against the HTTP cache (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:L/Au:S/C:P/I:P/A:P) | Jun 30, 2020 | Oct 1, 2020 | Aug 11, 2025 |
Severity
7
CVSS
(AV:N/AC:L/Au:S/C:P/I:P/A:P)
Published
Jun 30, 2020
Added
Oct 1, 2020
Modified
Aug 11, 2025
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.
Solutions
no-fix-redhat-rpm-packageredhat-upgrade-libecapredhat-upgrade-libecap-debuginforedhat-upgrade-libecap-debugsourceredhat-upgrade-libecap-develredhat-upgrade-squidredhat-upgrade-squid-debuginforedhat-upgrade-squid-debugsourceredhat-upgrade-squid-migration-scriptredhat-upgrade-squid-sysvinit
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