CVE-2020-15049

Published: 30 June 2020

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.

Priority

Low

CVSS 3 base score: 8.8

Status

Package Release Status
squid
Launchpad, Ubuntu, Debian
Upstream
Released (4.12)
Ubuntu 20.10 (Groovy Gorilla)
Released (4.12-1ubuntu1)
Ubuntu 20.04 LTS (Focal Fossa) Needed

Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 LTS (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

Ubuntu 12.04 ESM (Precise Pangolin) Does not exist

Patches:
Upstream: http://www.squid-cache.org/Versions/v4/changesets/squid-4-ea12a34d338b962707d5078d6d1fc7c6eb119a22.patch
squid3
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 20.10 (Groovy Gorilla) Does not exist

Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver)
Released (3.5.27-1ubuntu1.9)
Ubuntu 16.04 LTS (Xenial Xerus)
Released (3.5.12-1ubuntu7.15)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

Ubuntu 12.04 ESM (Precise Pangolin) Needed

Notes

AuthorNote
mdeslaur per upstream, "This attack requires an upstream server to participate in the smuggling and generate the poison response sequence."

References