CVE-2022-26662 XML Entity Expansion in trytond and proteus

High 7.5 Published Updated

An unauthenticated attacker can cause a denial of service in Tryton Application Platform by sending crafted XML-RPC messages exploiting XML Entity Expansion.

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

What is CVE-2022-26662?

CVE-2022-26662 is a high-severity vulnerability in Debian Debian Linux, published on 7 Mar 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An XML Entity Expansion (XEE) issue was discovered in Tryton Application Platform (Server) 5.x through 5.0.45, 6.x through 6.0.15, and 6.1.x and 6.2.x through 6.2.5, and Tryton Application Platform (Command Line Client (proteus)) 5.x through 5.0.11, 6.x through 6.0.4, and 6.1.x and 6.2.x through 6.2.1. An unauthenticated user can send a crafted XML-RPC message to consume all the resources of the server.

Weakness: CWE-776

Which versions are affected by CVE-2022-26662?

15 open source packages ship an affected version, including proteus, tryton and trytond. It affects 3 products.

PackageAffectedFixed in
proteus PyPIFrom 5.0.05.0.12, 6.0.5, 6.2.2
proteus PyPIFrom 5.0.05.0.12
proteus PyPIFrom 5.0.05.0.12
proteus PyPIFrom 6.0.06.0.5
proteus PyPIFrom 6.0.06.0.5
proteus PyPIFrom 6.1.06.2.2
9 more packages
proteus PyPIFrom 6.1.06.2.2
tryton PyPIFrom 5.0.05.0.12, 6.0.5, 6.2.2, 6.2.6, 6.0.16, 5.0.46
trytond PyPIFrom 5.0.05.0.46, 6.0.16, 6.2.6
trytond PyPIFrom 5.0.05.0.46
trytond PyPIFrom 5.0.05.0.46
trytond PyPIFrom 6.0.06.0.16
trytond PyPIFrom 6.0.06.0.16
trytond PyPIFrom 6.1.06.2.6
trytond PyPIFrom 6.1.06.2.6

Products include Debian Debian Linux, Tryton Proteus, Tryton Trytond.

How do I fix CVE-2022-26662?

Upgrade proteus to a fixed version for your release line: 5.0.12, 6.0.5 or 6.2.2.

Is CVE-2022-26662 being exploited?

There is no known exploitation of CVE-2022-26662 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2022-26662, GHSA-pm3h-mm62-pwm8, PYSEC-2022-43171, PYSEC-2026-3392, PYSEC-2026-741, UBUNTU-CVE-2022-26662.

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