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Uncontrolled Recursion in io.bit3:jsass

CVE-2017-12964

  • io.bit3:jsass
  • libsass
  • libsassnet
  • libsassnet.Web
  • node-sass
  • org.webjars.npm:node-sass
  • sassc
High
7.5/10

Summary

There is a stack consumption issue in all versions of LibSass, that is triggered in the function "Sass::Eval::operator()" in "eval.cpp". It will lead to a remote denial of service attack. This issue also affects all versions of other packages that use the LibSass library, such as node-sass, libsass-python, sassc, jsass.

  • LOW
  • NETWORK
  • NONE
  • UNCHANGED
  • NONE
  • NONE
  • NONE
  • HIGH

CWE-674 - Uncontrolled Recursion

The product does not properly control the amount of recursion which takes place, consuming excessive resources, such as allocated memory or the program stack.

References

Advisory Timeline

  • Published