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801
VMScore

CVE-2021-43413

Published: 07/11/2021 Updated: 07/11/2023
CVSS v2 Base Score: 9 | Impact Score: 10 | Exploitability Score: 8
CVSS v3 Base Score: 8.8 | Impact Score: 5.9 | Exploitability Score: 2.8
VMScore: 801
Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C
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Vulnerability Summary

An issue exists in GNU Hurd prior to 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.

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References

NVD-CWE-noinfohttps://lists.gnu.org/archive/html/bug-hurd/2021-05/msg00079.htmlhttps://lists.gnu.org/archive/html/bug-hurd/2002-11/msg00263.htmlhttps://lists.gnu.org/archive/html/bug-hurd/2005-06/msg00191.htmlhttps://www.mail-archive.com/bug-hurd%40gnu.org/msg32113.htmlhttps://nvd.nist.gov
VMScore
CVSSv2
CVSSv3
VMScore
Recommendations:
NULL pointer dereferenceCVE-2023-52689CVE-2024-23803client sideCVE-2023-52696information disclosureCVE-2024-35843CVE-2024-27130CVE-2023-52697
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