CVE-2021-43412

CWE-416 — Use After Free4 documents4 sources
Severity
7.8HIGH
EPSS
0.0%
top 86.54%
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. 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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages1 packages

▶NVDgnu/hurd< 0.9.20210404-9

🔴Vulnerability Details

2
GHSA
GHSA-x9rv-39rr-f53c: An issue was discovered in GNU Hurd before 0↗2022-05-24
▶
CVEList
CVE-2021-43412: An issue was discovered in GNU Hurd before 0↗2021-11-07
▶

📋Vendor Advisories

1
Debian
CVE-2021-43412: hurd - An issue was discovered in GNU Hurd before 0.9 20210404-9. libports accepts fake...↗2021
▶