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AUSCERT External Security Bulletin Redistribution
ESB-2021.0574
ruby-mechanize security update
17 February 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: ruby-mechanize
Publisher: Debian
Operating System: Debian GNU/Linux
UNIX variants (UNIX, Linux, OSX)
Windows
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2021-21289
Original Bulletin:
https://www.debian.org/lts/security/2021/dla-2561
Comment: This advisory references vulnerabilities in products which run on
platforms other than Debian. It is recommended that administrators
running ruby-mechanize check for an updated version of the software
for their operating system.
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Debian LTS Advisory DLA-2561-1 debian-lts@lists.debian.org
https://www.debian.org/lts/security/ Utkarsh Gupta
February 17, 2021 https://wiki.debian.org/LTS
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Package : ruby-mechanize
Version : 2.7.5-1+deb9u1
CVE ID : CVE-2021-21289
Mechanize is an open-source Ruby library that makes automated web
interaction easy. In Mechanize, from v2.0.0 until v2.7.7, there
is a command injection vulnerability.
Affected versions of Mechanize allow for OS commands to be
injected using several classes' methods which implicitly use
Ruby's Kernel#open method.
For Debian 9 stretch, this problem has been fixed in version
2.7.5-1+deb9u1.
We recommend that you upgrade your ruby-mechanize packages.
For the detailed security status of ruby-mechanize please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/ruby-mechanize
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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