Files or Directories Accessible to External Parties Affecting libsmartcols-debuginfo package, versions <0:2.37.4-1.amzn2022


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-AMZN2022-LIBSMARTCOLSDEBUGINFO-2999889
  • published29 Aug 2022
  • disclosed23 Aug 2022

Introduced: 23 Aug 2022

CVE-2021-3996  (opens in a new tab)
CWE-552  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2022 libsmartcols-debuginfo to version 0:2.37.4-1.amzn2022 or higher.
This issue was patched in ALAS2022-2022-099.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libsmartcols-debuginfo package and not the libsmartcols-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2022 relevant fixed versions and status.

A logic error was found in the libmount library of util-linux in the function that allows an unprivileged user to unmount a FUSE filesystem. This flaw allows a local user on a vulnerable system to unmount other users' filesystems that are either world-writable themselves (like /tmp) or mounted in a world-writable directory. An attacker may use this flaw to cause a denial of service to applications that use the affected filesystems.

CVSS Base Scores

version 3.1