PT-2020-19594
CVE-2020-7458
·
تاريخ النشر
2020-07-08
·
تاريخ التحديث
2022-01-04
الوصف من
CVSS 3.1
9.8
حرجةالمقاييسAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions
FreeBSD versions 11.4-RELEASE before p1
FreeBSD versions 11.4-STABLE before r362281
FreeBSD versions 12.1-STABLE before r362281
Description
The issue arises from long values in the user-controlled
PATH environment variable, which causes posix spawnp to write beyond the end of the heap allocated stack. This could possibly lead to arbitrary code execution.Recommendations
For FreeBSD version 11.4-RELEASE, update to p1 or later.
For FreeBSD version 11.4-STABLE, update to r362281 or later.
For FreeBSD version 12.1-STABLE, update to r362281 or later.
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