CVE-2018-12293 Integer overflow in n/a

What is CVE-2018-12293?

CVE-2018-12293 is a high-severity vulnerability in Canonical Ubuntu Linux, published on 19 Jun 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

The getImageData function in the ImageBufferCairo class in WebCore/platform/graphics/cairo/ImageBufferCairo.cpp in WebKit, as used in WebKitGTK+ prior to version 2.20.3 and WPE WebKit prior to version 2.20.1, is vulnerable to a heap-based buffer overflow triggered by an integer overflow, which could be abused by crafted HTML content.

Weakness: CWE-787, CWE-190

Which versions are affected by CVE-2018-12293?

It affects 3 products.

Products include Canonical Ubuntu Linux, Webkitgtk Webkitgtk\+, Wpewebkit Wpe Webkit.

How do I fix CVE-2018-12293?

Upgrade to a fixed version.

Is CVE-2018-12293 being exploited?

There is no known exploitation of CVE-2018-12293 in the wild and no public exploit code.

Public exploit code: 1 Exploit-DB entry.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2018-12293, GHSA-g7g2-cvmj-5ppx, UBUNTU-CVE-2018-12293.