Vulnerability Description
An issue was discovered in GNU Hurd before 0.9 20210404-9. A single pager port is shared among everyone who mmaps a file, allowing anyone to modify any files that they can read. This can be trivially exploited to get full root access.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Hurd | < 0.9.20210404-9 |
References
- https://lists.gnu.org/archive/html/bug-hurd/2002-11/msg00263.htmlMailing ListVendor Advisory
- https://lists.gnu.org/archive/html/bug-hurd/2005-06/msg00191.htmlMailing ListVendor Advisory
- https://lists.gnu.org/archive/html/bug-hurd/2021-05/msg00079.htmlExploitMailing ListVendor Advisory
- https://www.mail-archive.com/bug-hurd%40gnu.org/msg32113.html
- https://lists.gnu.org/archive/html/bug-hurd/2002-11/msg00263.htmlMailing ListVendor Advisory
- https://lists.gnu.org/archive/html/bug-hurd/2005-06/msg00191.htmlMailing ListVendor Advisory
- https://lists.gnu.org/archive/html/bug-hurd/2021-05/msg00079.htmlExploitMailing ListVendor Advisory
- https://www.mail-archive.com/bug-hurd%40gnu.org/msg32113.html
FAQ
What is CVE-2021-43413?
CVE-2021-43413 is a vulnerability with a CVSS score of 8.8 (HIGH). An issue was discovered in GNU Hurd before 0.9 20210404-9. A single pager port is shared among everyone who mmaps a file, allowing anyone to modify any files that they can read. This can be trivially ...
How severe is CVE-2021-43413?
CVE-2021-43413 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-43413?
Check the references section above for vendor advisories and patch information. Affected products include: Gnu Hurd.