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AUSCERT External Security Bulletin Redistribution
ruby-haml security update
11 November 2019
AusCERT Security Bulletin Summary
Operating System: Debian GNU/Linux 8
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
CVE Names: CVE-2017-1002201
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Package : ruby-haml
Version : 4.0.5-2+deb8u1
CVE ID : CVE-2017-1002201
In haml, when using user input to perform tasks on the server, characters
like < > " ' must be escaped properly. In this case, the ' character was
missed. An attacker can manipulate the input to introduce additional
attributes, potentially executing code.
For Debian 8 "Jessie", this problem has been fixed in version
We recommend that you upgrade your ruby-haml 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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