Bug 1982412 - CVE-2021-36740 varnish: HTTP/2 request smuggling attack via a large Content-Length header for a POST request [fedora-all]
Summary: CVE-2021-36740 varnish: HTTP/2 request smuggling attack via a large Content-L...
Alias: None
Product: Fedora
Classification: Fedora
Component: varnish
Version: 34
Hardware: Unspecified
OS: Unspecified
Target Milestone: ---
Assignee: Ingvar Hagelund
QA Contact: Fedora Extras Quality Assurance
Depends On:
Blocks: CVE-2021-36740
TreeView+ depends on / blocked
Reported: 2021-07-14 19:12 UTC by Guilherme de Almeida Suckevicz
Modified: 2021-08-02 13:54 UTC (History)
3 users (show)

Fixed In Version:
Doc Type: No Doc Update
Doc Text:
Clone Of:
Last Closed: 2021-08-02 13:54:01 UTC
Type: ---

Attachments (Terms of Use)

Description Guilherme de Almeida Suckevicz 2021-07-14 19:12:38 UTC
This is an automatically created tracking bug!  It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.

For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.

For more information see:

When submitting as an update, use the fedpkg template provided in the next
comment(s).  This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.

Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.

NOTE: this issue affects multiple supported versions of Fedora. While only
one tracking bug has been filed, please correct all affected versions at
the same time.  If you need to fix the versions independent of each other,
you may clone this bug as appropriate.

Comment 1 Guilherme de Almeida Suckevicz 2021-07-14 19:12:41 UTC
Use the following template to for the 'fedpkg update' request to submit an
update for this issue as it contains the top-level parent bug(s) as well as
this tracking bug.  This will ensure that all associated bugs get updated
when new packages are pushed to stable.


# bugfix, security, enhancement, newpackage (required)

# low, medium, high, urgent (required)

# testing, stable

# Bug numbers: 1234,9876

# Description of your update
notes=Security fix for [PUT CVEs HERE]

# Enable request automation based on the stable/unstable karma thresholds

# Automatically close bugs when this marked as stable

# Suggest that users restart after update


Additionally, you may opt to use the bodhi web interface to submit updates:


Comment 2 Fedora Update System 2021-07-16 22:03:28 UTC
FEDORA-2021-cf7585f0ca has been submitted as an update to Fedora 34. https://bodhi.fedoraproject.org/updates/FEDORA-2021-cf7585f0ca

Comment 3 Fedora Update System 2021-07-17 01:07:50 UTC
FEDORA-2021-cf7585f0ca has been pushed to the Fedora 34 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --advisory=FEDORA-2021-cf7585f0ca`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2021-cf7585f0ca

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

Comment 4 Fedora Update System 2021-07-25 01:01:26 UTC
FEDORA-2021-cf7585f0ca has been pushed to the Fedora 34 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 5 Ingvar Hagelund 2021-08-02 13:54:01 UTC
FEDORA-2021-36e10d3f9f was pushed to Fedora 33 testing 2021-07-16, and to stable about a week ago.
FEDORA-2021-cf7585f0ca was pushed to Fedora 34 testing 2021-07-17, and to stable about a week ago.
FEDORA-2021-7eef3fda01 was pushed to Fedora 35 rawhide 2021-07-17.

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