CVE-2018-9856 Kotti CSRF in the local roles implementation

High 8.8 Published Updated

Cross-site request forgery in Kotti allows attackers to modify document permissions and roles via crafted requests.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2018-9856?

CVE-2018-9856 is a high-severity vulnerability in n/a, published on 9 Apr 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Kotti before 1.3.2 and 2.x before 2.0.0b2 has CSRF in the local roles implementation, as demonstrated by triggering a permission change via a /admin-document/@@share request.

Weakness: CWE-352

Which versions are affected by CVE-2018-9856?

5 open source packages ship an affected version, including kotti and Kotti. It affects 1 product.

PackageAffectedFixed in
kotti PyPIAll versions1.3.2
kotti PyPIAll versions1.3.2
kotti PyPIFrom 2.0.0a12.0.0b2
Kotti PyPIAll versions1.3.2
Kotti PyPIFrom 2.0.0a12.0.0b2

Products include Kotti Project Kotti.

How do I fix CVE-2018-9856?

Upgrade kotti to a fixed version for your release line: 1.3.2 or 2.0.0b2.

Is CVE-2018-9856 being exploited?

There is no known exploitation of CVE-2018-9856 in the wild and no public exploit code.

Sources

Also known as GHSA-3hq4-f2v6-q338, PYSEC-2018-10.

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