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Bug 830486 (CVE-2013-4235) - <sys-apps/shadow-4.11.1: TOCTOU race condition in usermod/userdel (CVE-2013-4235)
Summary: <sys-apps/shadow-4.11.1: TOCTOU race condition in usermod/userdel (CVE-2013-4...
Status: IN_PROGRESS
Alias: CVE-2013-4235
Product: Gentoo Security
Classification: Unclassified
Component: Vulnerabilities (show other bugs)
Hardware: All Linux
: Normal normal (vote)
Assignee: Gentoo Security
URL:
Whiteboard: B3 [glsa?]
Keywords:
Depends on: 831980
Blocks:
  Show dependency tree
 
Reported: 2022-01-03 05:07 UTC by Sam James
Modified: 2022-04-17 17:19 UTC (History)
1 user (show)

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Package list:
Runtime testing required: ---


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Description Sam James archtester Gentoo Infrastructure gentoo-dev Security 2022-01-03 05:07:26 UTC
A TOCTOU race condition was discovered in shadow-utils. A local attacker with write privileges in a directory removed or copied by usermod/userdel could potentially exploit this flaw, when the administrator invokes usermod/userdel, to delete or modify other files on the system.