Vulnerabilities for HURD (...) - CXSECURITY.COM

Vulnerabilities for 'HURD'

2021-11-07

CVE-2021-43411

CWE-863

An issue was discovered in GNU Hurd before 0.9 20210404-9. When trying to exec a setuid executable, there's a window of time when the process already has the new privileges, but still refers to the old task and is accessible through the old process port. This can be exploited to get full root access.

CVE-2021-43412

CWE-416

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.

CVE-2021-43413

NVD-CWE-noinfo

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.

CVE-2021-43414

CWE-863

An issue was discovered in GNU Hurd before 0.9 20210404-9. The use of an authentication protocol in the proc server is vulnerable to man-in-the-middle attacks, which can be exploited for local privilege escalation to get full root access.

>>> Vendor: GNU 108 Products

Data display debugger

Realtime linux security module

Gnutls libtasn1

See all Products for Vendor GNU

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