High, CVSS 8.7PyPIAmendedPublished
Modoboa is vulnerable to an XML External Entity Injection (XXE)
CVE-2019-19702 · GHSA-vc42-mgr2-w34r
- Affected
- PyPI modoboa-dmarc < 1.2.0
- Fixed in
- 1.2.0· Vendor fix available
- Issue
- The modoboa-dmarc plugin 1.1.0 for Modoboa is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this to perform a denial of service against the DMARC reporting functionality, such as by referencing the /dev/random file within XML documents that are emailed to the address in the rua field of the DMARC records of a domain.
Recommended action: Upgrade to 1.2.0 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.