XML Entity Expansion in Tryton Application Platform (Console Client) and Tryton Application Platform (Server) - CVE-2022-26662

Vulnerability identifier: #VU61540

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2022-26662

CWE-ID: CWE-776

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied XML input. A remote attacker can send a specially crafted ML-RPC message to consume all available resources on the system.

Tryton Application Platform (Console Client)
Tryton Application Platform (Server)
tryton-proteus (Debian package)
tryton-server (Debian package)

Install updates from vendor's website.

Tryton Application Platform (Console Client) - addressed in versions 5.0.12, 6.0.5, 6.2.2
Tryton Application Platform (Server) - addressed in versions 5.0.46, 6.0.16, 6.2.6
tryton-proteus (Debian package) - addressed in versions 5.0.1-3+deb10u1, 5.0.8-1+deb11u1
tryton-server (Debian package) - addressed in versions 5.0.4-2+deb10u1, 5.0.33-2+deb11u1

• https://bugs.tryton.org/issue11219
• https://discuss.tryton.org/t/security-release-for-issue11219-and-issue11244/5059

• Multiple vulnerabilities in Tryton Application Platform Server and Console Client
• Debian update for tryton-server
• Debian update for tryton-proteus