Vulnerability Description
In LibSass prior to 3.5.5, functions inside ast.cpp for IMPLEMENT_AST_OPERATORS expansion allow attackers to cause a denial-of-service resulting from stack consumption via a crafted sass file, as demonstrated by recursive calls involving clone(), cloneChildren(), and copy().
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/issues/2660ExploitThird Party 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/issues/2660ExploitThird Party Advisory
FAQ
What is CVE-2018-19838?
CVE-2018-19838 is a vulnerability with a CVSS score of 6.5 (MEDIUM). In LibSass prior to 3.5.5, functions inside ast.cpp for IMPLEMENT_AST_OPERATORS expansion allow attackers to cause a denial-of-service resulting from stack consumption via a crafted sass file, as demo...
How severe is CVE-2018-19838?
CVE-2018-19838 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-2018-19838?
Check the references section above for vendor advisories and patch information. Affected products include: Sass-Lang Libsass.