SB2018111112 - Debian update for thunderbird
Published: November 11, 2018
Security Bulletin ID
SB2018111112
Severity
High
Patch available
YES
Number of vulnerabilities
4
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) Memory corruption (CVE-ID: CVE-2018-12389)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.The weakness exists due to boundary error when handling malicious input. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with elevated privileges.
Successful exploitation of the vulnerability may result in system compromise.
2) Memory corruption (CVE-ID: CVE-2018-12390)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.The weakness exists due to boundary error when handling malicious input. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with elevated privileges.
Successful exploitation of the vulnerability may result in system compromise.
3) Poor event handling (CVE-ID: CVE-2018-12392)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.The weakness exists due to poor event handling when manipulating user events in nested loops while opening a document through script. A remote attacker can trick the victim into visiting a specially crafted website and execute arbitrary code with elevated privileges.
Successful exploitation of the vulnerability may result in system compromise.
4) Integer overflow (CVE-ID: CVE-2018-12393)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.The weakness exists due to integer overflow during the conversion of scripts to an internal UTF-16 representation. A remote attacker can trick the victim into visiting a specially crafted website, trigger out-of-bounds write and execute arbitrary code with elevated privileges.
Successful exploitation of the vulnerability may result in system compromise.
Remediation
Install update from vendor's website.