SB2020112903 - Resource management error in firefox (Alpine package)
Published: November 29, 2020
Security Bulletin ID
SB2020112903
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource management error (CVE-ID: CVE-2020-15681)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to improper management of internal resources within the application when processing multiple WASM threads. When multiple WASM threads had a reference to a module, and were looking up exported functions, one WASM thread could have overwritten another's entry in a shared stub table. Successful exploitation of the vulnerability may allow an attacker to execute arbitrary code on the system.
Remediation
Install update from vendor's website.