Bug 2238716 (CVE-2020-21583) - CVE-2020-21583 util-linux: arbitrary commands execution via the path parameter
Summary: CVE-2020-21583 util-linux: arbitrary commands execution via the path parameter
Keywords:
Status: NEW
Alias: CVE-2020-21583
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks: 2238718
TreeView+ depends on / blocked
 
Reported: 2023-09-13 10:25 UTC by msiddiqu
Modified: 2024-03-20 10:34 UTC (History)
34 users (show)

Fixed In Version: util-linux 2.27-rc1
Doc Type: If docs needed, set a value
Doc Text:
A vulnerability was found in hwclock in util-linux, which allowed non-root users to access the hardware clock. This flaw allows an attacker to execute arbitrary code via the path parameter when setting the date.
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Environment:
Last Closed:
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Description msiddiqu 2023-09-13 10:25:50 UTC 
An issue was discovered in hwclock.13-v2.27 allows attackers to gain escalated privlidges or execute arbitrary commands via the path parameter when setting the date.
Comment 1 msiddiqu 2023-09-13 10:28:38 UTC 
References: 
 
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=786804
https://packetstormsecurity.com/files/132061/hwclock-Privilege-Escalation.html
Comment 2 msiddiqu 2023-09-13 11:02:47 UTC 
Upstream Patch:

https://github.com/util-linux/util-linux/commit/687cc5d58942b24a9f4013c68876d8cbea907ab1
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