Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2020.0434
storebackup security update
6 February 2020
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: storebackup
Publisher: Debian
Operating System: Debian GNU/Linux 8
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Increased Privileges -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-7040
Original Bulletin:
https://www.debian.org/lts/security/2020/dla-2095
Comment: This advisory references vulnerabilities in products which run on
platforms other than Debian. It is recommended that administrators
running storebackup check for an updated version of the software for
their operating system.
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Package : storebackup
Version : 3.2.1-1+deb8u1
CVE ID : CVE-2020-7040
Debian Bug : 949393
storeBackup.pl in storeBackup through 3.5 relies on the
/tmp/storeBackup.lock pathname, which allows symlink attacks
that possibly lead to privilege escalation.
Local users can also create a plain file named /tmp/storeBackup.lock
to block use of storeBackup until an admin manually deletes that file.
For Debian 8 "Jessie", this problem has been fixed in version
3.2.1-1+deb8u1.
We recommend that you upgrade your storebackup packages.
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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===========================================================================
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