Vulnerability Description
An issue was discovered in GNU Hurd before 0.9 20210404-9. libports accepts fake notification messages from any client on any port, which can lead to port use-after-free. This can be exploited for local privilege escalation to get full root access.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Hurd | < 0.9.20210404-9 |
Related Weaknesses (CWE)
References
- https://lists.gnu.org/archive/html/bug-hurd/2021-05/msg00079.htmlExploitMailing ListVendor Advisory
- https://www.mail-archive.com/bug-hurd%40gnu.org/msg32116.html
- https://lists.gnu.org/archive/html/bug-hurd/2021-05/msg00079.htmlExploitMailing ListVendor Advisory
- https://www.mail-archive.com/bug-hurd%40gnu.org/msg32116.html
FAQ
What is CVE-2021-43412?
CVE-2021-43412 is a vulnerability with a CVSS score of 7.8 (HIGH). An issue was discovered in GNU Hurd before 0.9 20210404-9. libports accepts fake notification messages from any client on any port, which can lead to port use-after-free. This can be exploited for loc...
How severe is CVE-2021-43412?
CVE-2021-43412 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-43412?
Check the references section above for vendor advisories and patch information. Affected products include: Gnu Hurd.