SB2019040806 - Ubuntu update for Lua
Published: April 8, 2019
Security Bulletin ID
SB2019040806
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Heap use-after-free (CVE-ID: CVE-2019-6706)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a geap use-after-free error in lua_upvaluejoin in lapi.c. A remote attacker who is able to trigger a debug.upvaluejoin call in which the arguments have certain relationships can cause the service to crash.
Remediation
Install update from vendor's website.