High severity · published Jun 19, 2018
CVE-2018-12293
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…
8.8
CVSS
10%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)10.0% · higher than 96% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UL
Ubuntu Linux · Canonical
16.04; 17.10; 18.04 · source: NVD
WE
Webkitgtk+ · Webkitgtk
before 2.20.3 · source: NVD
WW
Wpe Webkit · Wpewebkit
before 2.20.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-12293
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-12293
Third Party Advisory
http://packetstormsecurity.com/files/148200/WebKitGTK-Data-Leak-Code-Execution.html
Mailing List
http://www.openwall.com/lists/oss-security/2018/06/14/1
www.securityfocus.com
http://www.securityfocus.com/archive/1/542087/100/0/threaded
Permissions Required
https://bugs.webkit.org/show_bug.cgi?id=186384
security.gentoo.org
https://security.gentoo.org/glsa/201808-04
Patch
https://trac.webkit.org/changeset/232618
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