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Ubuntu: USN-4077-1 (CVE-2019-3461): tmpreaper vulnerability

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Ubuntu: USN-4077-1 (CVE-2019-3461): tmpreaper vulnerability

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
01/10/2019
Created
07/30/2019
Added
07/30/2019
Modified
03/22/2023

Description

Debian tmpreaper version 1.6.13+nmu1 has a race condition when doing a (bind) mount via rename() which could result in local privilege escalation. Mounting via rename() could potentially lead to a file being placed elsewhereon the filesystem hierarchy (e.g. /etc/cron.d/) if the directory being cleaned up was on the same physical filesystem. Fixed versions include 1.6.13+nmu1+deb9u1 and 1.6.14.

Solution(s)

  • ubuntu-upgrade-tmpreaper

References

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