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Bug 1623131 - (CVE-2018-1000656) CVE-2018-1000656 python-flask: Denial of Service via crafted JSON file
CVE-2018-1000656 python-flask: Denial of Service via crafted JSON file
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
low Severity low
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Assigned To: Red Hat Product Security
impact=low,public=20180410,reported=2...
: Security
Depends On: 1623179 1623180 1623770 1623771 1623772 1633596 1636188 1642087
Blocks: 1623143
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Reported: 2018-08-28 10:23 EDT by Laura Pardo
Modified: 2018-10-23 11:32 EDT (History)
30 users (show)

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Fixed In Version: python-flask 0.12.3
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Description Laura Pardo 2018-08-28 10:23:37 EDT 
A flaw was found in The Pallets Project flask version Before 0.12.3. An Improper Input Validation vulnerability in flask that can result in a large amount of memory usage possibly leading to denial of service. This attack appear to be exploitable via Attacker provides JSON data in incorrect encoding.


References:
https://github.com/pallets/flask/pull/2691
Comment 1 Laura Pardo 2018-08-28 12:23:00 EDT 
Created python-flask tracking bugs for this issue:

Affects: fedora-all [bug 1623179]
Comment 5 Stefan Cornelius 2018-09-27 07:08:14 EDT 
Statement:

This issue affects the versions of python-flask as shipped with Red Hat Enterprise Linux 7.
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