CVE-2021-43413

4 documents4 sources
Severity
8.8HIGH
EPSS
1.1%
top 22.34%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
GNU Hurd
Timeline
PublishedNov 7
Latest updateMay 24

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 vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages1 packages

▶NVDgnu/hurd< 0.9.20210404-9

🔴Vulnerability Details

2
GHSA
GHSA-4gqc-53g7-25x6: An issue was discovered in GNU Hurd before 0↗2022-05-24
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CVEList
CVE-2021-43413: An issue was discovered in GNU Hurd before 0↗2021-11-07
▶

📋Vendor Advisories

1
Debian
CVE-2021-43413: hurd - An issue was discovered in GNU Hurd before 0.9 20210404-9. A single pager port i...↗2021
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