Memory corruption - CVE-2018-12293
Published: June 25, 2018 / Updated: June 17, 2021
Vulnerability identifier: #VU13509
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2018-12293
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor:
Affected software:
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists in the getImageData function in the ImageBufferCairo class in WebCore/platform/graphics/cairo/ImageBufferCairo.cpp due to integer overflow when handling malicious input. A remote attacker can trick the victim into visiting a specially crafted website, trigger heap-based buffer overflow and execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2018-12293
Update to version 2.20.1, 2.20.3.