CVE-2021-43412

7.8HIGH

Key Information:

Vendor
Gnu
Status
Hurd
Vendor
CVE Published:
7 November 2021

Summary

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.

References

https://lists.gnu.org/archive/html/bug-hurd/2021-05/msg00...
x_refsource_MISC
https://www.mail-archive.com/bug-hurd%40gnu.org/msg32116....
x_refsource_MISC

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.