CVE-2019-19702 Modoboa is vulnerable to an XML External Entity Injection (XXE)
A remote attacker can cause denial of service in Modoboa DMARC reporting by sending malicious XML emails exploiting an XXE vulnerability.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-19702?
CVE-2019-19702 is a high-severity vulnerability in n/a, published on 10 Dec 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-611
Which versions are affected by CVE-2019-19702?
3 open source packages ship an affected version, including modoboa-dmarc. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
modoboa-dmarc PyPI | All versions | 1.2.0 |
modoboa-dmarc PyPI | All versions | 1.2.0 |
modoboa-dmarc PyPI | All versions | 1.2.0 |
Products include Modoboa Modoboa-Dmarc.
How do I fix CVE-2019-19702?
Upgrade modoboa-dmarc to 1.2.0 or later.
Is CVE-2019-19702 being exploited?
There is no known exploitation of CVE-2019-19702 in the wild and no public exploit code.
Sources
Also known as GHSA-vc42-mgr2-w34r, PYSEC-2019-105.