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Debian: CVE-2019-3461: tmpreaper -- security update

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Debian: CVE-2019-3461: tmpreaper -- security update

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
01/10/2019
Created
03/19/2019
Added
01/11/2019
Modified
02/10/2020

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)

  • debian-upgrade-tmpreaper

References

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