Vulnerability Description
In LibSass prior to 3.5.5, Sass::Eval::operator()(Sass::Binary_Expression*) inside eval.cpp allows attackers to cause a denial-of-service resulting from stack consumption via a crafted sass file, because of certain incorrect parsing of '%' as a modulo operator in parser.cpp.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Sass-Lang | Libsass | < 3.5.5 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00047.html
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00051.html
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00027.html
- https://github.com/sass/libsass/commit/210fdff7a65370c2ae24e022a2b35da8c423cc5fExploitThird Party Advisory
- https://github.com/sass/libsass/issues/2659PatchVendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00047.html
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00051.html
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00027.html
- https://github.com/sass/libsass/commit/210fdff7a65370c2ae24e022a2b35da8c423cc5fExploitThird Party Advisory
- https://github.com/sass/libsass/issues/2659PatchVendor Advisory
FAQ
What is CVE-2018-19837?
CVE-2018-19837 is a vulnerability with a CVSS score of 6.5 (MEDIUM). In LibSass prior to 3.5.5, Sass::Eval::operator()(Sass::Binary_Expression*) inside eval.cpp allows attackers to cause a denial-of-service resulting from stack consumption via a crafted sass file, beca...
How severe is CVE-2018-19837?
CVE-2018-19837 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-19837?
Check the references section above for vendor advisories and patch information. Affected products include: Sass-Lang Libsass.