Local Privilege Escalation Vulnerability in GNU Hurd by GNU
CVE-2021-43414

7HIGH

Key Information:

Vendor

Gnu
Status
Hurd
Vendor
CVE Published:
7 November 2021

What is CVE-2021-43414?

An issue in GNU Hurd allows attackers to exploit the authentication protocol implemented in the proc server. This vulnerability makes the system susceptible to man-in-the-middle attacks, which can potentially lead to local privilege escalation. By exploiting this flaw, an unauthorized user may gain full root access, compromising the integrity and security of the system.

References

https://lists.gnu.org/archive/html/bug-hurd/2021-05/msg00...
x_refsource_MISC
https://www.mail-archive.com/bug-hurd%40gnu.org/msg32114....
x_refsource_MISC

CVSS V3.1

Score:
7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2021-43414 : Local Privilege Escalation Vulnerability in GNU Hurd by GNU