SB2019021403 - Slackware Linux update for mozilla-firefox
Published: February 14, 2019
Security Bulletin ID
SB2019021403
Severity
High
Patch available
YES
Number of vulnerabilities
3
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Use-after-free error (CVE-ID: CVE-2018-18356)
The vulnerability allows a remote attacker to cause DoS condition on the target system.The weakness exists due to use-after-free error in Skia when handling malicious input. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and cause the browser to crash.
2) Integer overflow (CVE-ID: CVE-2019-5785)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow in the Skia library. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger integer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
3) Heap-based buffer overflow (CVE-ID: CVE-2018-18335)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.The weakness exists due to heap-based buffer overflow in Skia 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.
Remediation
Install update from vendor's website.