SB2019030720 - Use-after-free in chromium (Alpine package)
Published: March 7, 2019
Security Bulletin ID
SB2019030720
Severity
Critical
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) Use-after-free (CVE-ID: CVE-2019-5786)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in FileReader. A remote attacker can trick the victim into opening a specially crafted file with Google Chrome, trigger use-after-free error and execute arbitrary code on the target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
Note: the vulnerability is being exploited in the wild.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=d458817a5891a75e29740a1cd6d29317691bdd10
- https://git.alpinelinux.org/aports/commit/?id=45f0d495cc9725bb39fdd397103625bf0d2e7c02
- https://git.alpinelinux.org/aports/commit/?id=739fadc78ad34b35354f0dc51861f882dd8c15e1
- https://git.alpinelinux.org/aports/commit/?id=1e09ec69412d1c4c4630d74a03e238e7cbed4629
- https://git.alpinelinux.org/aports/commit/?id=e7dc3349a9d6e8422071ab702f467661abab0819