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Red Hat: CVE-2020-15049: CVE-2020-15049 squid: Request smuggling and poisoning attack against the HTTP cache (Multiple Advisories)

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Red Hat: CVE-2020-15049: CVE-2020-15049 squid: Request smuggling and poisoning attack against the HTTP cache (Multiple Advisories)

Severity
7
CVSS
(AV:N/AC:L/Au:S/C:P/I:P/A:P)
Published
06/30/2020
Created
10/01/2020
Added
10/01/2020
Modified
11/26/2024

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.

Solution(s)

  • redhat-upgrade-libecap
  • redhat-upgrade-libecap-debuginfo
  • redhat-upgrade-libecap-debugsource
  • redhat-upgrade-libecap-devel
  • redhat-upgrade-squid
  • redhat-upgrade-squid-debuginfo
  • redhat-upgrade-squid-debugsource
  • redhat-upgrade-squid-migration-script
  • redhat-upgrade-squid-sysvinit

References

  • CVE-2020-15049
  • RHSA-2020:4082
  • RHSA-2020:4743

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