SB2019011710 - Multiple vulnerabilities in LibSass
Published: January 17, 2019
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Out-of-bounds read (CVE-ID: CVE-2019-6284)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in Sass::Prelexer::alternatives in prelexer.hpp. A remote attacker can pass specially specially crafted data to the application, trigger out-of-bounds read error and read contents of memory on the system.
2) Out-of-bounds read (CVE-ID: CVE-2019-6283)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in Sass::Prelexer::parenthese_scope in prelexer.hpp. A remote attacker can pass specially specially crafted data to the application, trigger out-of-bounds read error and read contents of memory on the system.
3) Out-of-bounds read (CVE-ID: CVE-2019-6286)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in Sass::Prelexer::skip_over_scopes in prelexer.hpp when called from Sass::Parser::parse_import(). A remote attacker can pass specially specially crafted data to the application, trigger out-of-bounds read error and read contents of memory on the system.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.