SB2019022812 - Buffer overflow in GNOME WebKitGTK
Published: February 28, 2019 Updated: April 18, 2019
Security Bulletin ID
SB2019022812
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) Buffer overflow (CVE-ID: CVE-2019-8375)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the UIProcess subsystem when processing an overly large script dialog size that exceeds the web view size. A remote attacker can send a specially crafted request to the affected application, trigger memory corruption 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
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00058.html
- https://bugs.webkit.org/show_bug.cgi?id=184875
- https://github.com/WebKit/webkit/commit/6f9b511a115311b13c06eb58038ddc2c78da5531
- https://trac.webkit.org/changeset/241515/webkit
- https://usn.ubuntu.com/3948-1/
- https://www.exploit-db.com/exploits/46465/
- https://www.inputzero.io/2019/02/fuzzing-webkit.html