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GHSA-67cx-rhhq-mfhq
No affected components available
Local file disclosure through LaTeX injection
Impact
An external audit of the Indico codebase has discovered a vulnerability in Indico's LaTeX sanitization code, which could have malicious users to run unsafe LaTeX commands on the server. Such commands allowed for example to read local files (e.g. indico.conf).
As far as we know it is not possible to write files or execute code using this vulnerability.
Patches
You need to update to Indico 2.2.3 as soon as possible. We also released Indico 2.1.10 in case you cannot update to 2.2 for some reason. See https://docs.getindico.io/en/stable/installation/upgrade/ for instructions on how to update.
Workarounds
Setting XELATEX_PATH = None in indico.conf will result in an error when building a PDF, but without being able to run xelatex, the vulnerability cannot be abused.
For more information
If you have any questions or comments about this advisory:
- Open a thread in our forum
- Email us privately at indico-team@cern.ch
Measures severity based on intrinsic characteristics of the vulnerability, independent of environment.
No exploitation activity has been observed at this time. Continue routine monitoring.
Probability that this vulnerability will be exploited in the wild within the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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