OpenStack Compute (Nova) vulnerable to denial of service via XML Entity Expansion attack
Date: 2022-05
Affected: pip/nova
Attack vector: dos
Category: vulnerability-disclosure
Severity: Medium
CVE: CVE-2013-4179
CVE-2013-4202
CWE: CWE-119

The security group extension in OpenStack Compute (Nova) Grizzly 2013.1.3, Havana before havana-3, and earlier allows remote attackers to cause a denial of service (resource consumption and crash) via an XML Entity Expansion (XEE) attack. NOTE: this issue is due to an incomplete fix for CVE-2013-1664.


Mitigations:

Architectural layers (MAESTRO):