SB2020060243 - Type Confusion in firefox (Alpine package)
Published: June 2, 2020
Security Bulletin ID
SB2020060243
Severity
High
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) Type Confusion (CVE-ID: CVE-2020-12406)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a type confusion error during unboxed JavaScript objects removal. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger a type confusion error and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=aadba671901181be240a1d151a9f3a04f2ce3ca5
- https://git.alpinelinux.org/aports/commit/?id=37e37d549603b29c55fafcde8f3732cfb9db1640
- https://git.alpinelinux.org/aports/commit/?id=c3bc99eb0be5fedab0fdd751a54afe87028c920b
- https://git.alpinelinux.org/aports/commit/?id=da1c1b9ae466f66ae95fc66418a02c3ae10be583
- https://git.alpinelinux.org/aports/commit/?id=5d9ca1b5fa041ac0d09e2bd2038f505e06c7d7f5
- https://git.alpinelinux.org/aports/commit/?id=b3181176e64948e2cd534829b0e3883aed67a27c
- https://git.alpinelinux.org/aports/commit/?id=66010d68451b4eac4d3f7315739fd156bd840f21
- https://git.alpinelinux.org/aports/commit/?id=8dc0bf1501171d97e4b280f12987e24bf3cc53f7