Vulnerability Description
An issue was discovered in Deskpro before 2019.8.0. This product enables administrators to modify the helpdesk interface by editing /portal/api/style/edit-theme-set/template-sources theme templates, and uses TWIG as its template engine. While direct access to self and _self variables was not permitted, one could abuse the accessible variables in one's context to reach a native unserialize function via the code parameter. There, on could pass a crafted payload to trigger a set of POP gadgets in order to achieve remote code execution.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Deskpro | Deskpro | < 2019.8.0 |
Related Weaknesses (CWE)
References
- https://blog.redforce.io/attacking-helpdesks-part-1-rce-chain-on-deskpro/ExploitThird Party Advisory
- https://support.deskpro.com/en/news/posts/deskpro-security-update-2019-09Release NotesVendor Advisory
- https://support.deskpro.com/en/news/posts/deskpro-v2019-8-0-released-security-upRelease NotesVendor Advisory
- https://blog.redforce.io/attacking-helpdesks-part-1-rce-chain-on-deskpro/ExploitThird Party Advisory
- https://support.deskpro.com/en/news/posts/deskpro-security-update-2019-09Release NotesVendor Advisory
- https://support.deskpro.com/en/news/posts/deskpro-v2019-8-0-released-security-upRelease NotesVendor Advisory
FAQ
What is CVE-2020-11467?
CVE-2020-11467 is a vulnerability with a CVSS score of 7.2 (HIGH). An issue was discovered in Deskpro before 2019.8.0. This product enables administrators to modify the helpdesk interface by editing /portal/api/style/edit-theme-set/template-sources theme templates, a...
How severe is CVE-2020-11467?
CVE-2020-11467 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-11467?
Check the references section above for vendor advisories and patch information. Affected products include: Deskpro Deskpro.