CVE-2018-1002150 Koji hub call does not perform correct access checks

Critical 9.1 Published Updated

Koji build system allows arbitrary filesystem read/write access due to incorrect access control, requiring an upgrade to patched versions.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2018-1002150?

CVE-2018-1002150 is a critical missing authorization vulnerability in n/a, published on 4 Apr 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Koji version 1.12, 1.13, 1.14 and 1.15 contain an incorrect access control vulnerability resulting in arbitrary filesystem read/write access. This vulnerability has been fixed in versions 1.12.1, 1.13.1, 1.14.1 and 1.15.1.

Weakness: CWE-732

Which versions are affected by CVE-2018-1002150?

9 open source packages ship an affected version, including koji. It affects 1 product.

PackageAffectedFixed in
koji PyPIAll versions1.15.1
koji PyPIFrom 1.121.12.1
koji PyPIFrom 1.121.12.1
koji PyPIFrom 1.131.13.1
koji PyPIFrom 1.131.13.1
koji PyPIFrom 1.141.14.1
3 more packages
koji PyPIFrom 1.141.14.1
koji PyPIFrom 1.151.15.1
koji PyPIFrom 1.151.15.1

Products include Koji Project Koji.

How do I fix CVE-2018-1002150?

Upgrade koji to a fixed version for your release line: 1.15.1, 1.12.1, 1.13.1 or 1.14.1.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2018-1002150 being exploited?

There is no known exploitation of CVE-2018-1002150 in the wild and no public exploit code.

Sources

Also known as GHSA-6mww-xvh7-fq4f, PYSEC-2018-86, UBUNTU-CVE-2018-1002150.

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