CVE-2018-20822 — MEDIUM (6.5)

Vulnerability Description

LibSass 3.5.4 allows attackers to cause a denial-of-service (uncontrolled recursion in Sass::Complex_Selector::perform in ast.hpp and Sass::Inspect::operator in inspect.cpp).

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Sass-Lang	Libsass	3.5.4

Related Weaknesses (CWE)

CWE-674

References

http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00047.htmlBroken Link
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00051.htmlBroken Link
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00027.htmlBroken Link
https://github.com/sass/libsass/issues/2671ExploitThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00047.htmlBroken Link
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00051.htmlBroken Link
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00027.htmlBroken Link
https://github.com/sass/libsass/issues/2671ExploitThird Party Advisory

FAQ

What is CVE-2018-20822?

CVE-2018-20822 is a vulnerability with a CVSS score of 6.5 (MEDIUM). LibSass 3.5.4 allows attackers to cause a denial-of-service (uncontrolled recursion in Sass::Complex_Selector::perform in ast.hpp and Sass::Inspect::operator in inspect.cpp).

How severe is CVE-2018-20822?

CVE-2018-20822 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-2018-20822?

Check the references section above for vendor advisories and patch information. Affected products include: Sass-Lang Libsass.