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CVE-2018-12293

N/A
Published: June 19, 2018 at 09:00 PM UTC
Updated: June 17, 2026 at 01:37 AM UTC
3 products affected across 3 vendorsUbuntu LinuxWebKitGTKWpewebkit

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Severity
N/A
Exploit prediction
EPSS 10%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ubuntu Linux· Canonicalrubygems
95%
16.0417.1018.04
WebKitGTK· Webkitgtk
95%
v < 2.20.3
Affected range stops below 2.20.3, so it looks safe — our inference, not a vendor statement
Wpewebkit· Wpewebkit
95%
v < 2.20.1
Affected range stops below 2.20.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (8)

x_refsource_MISCThird Party AdvisoryVDB Entry
Source: [email protected]
http://packetstormsecurity.com/files/148200/WebKitGTK-Data-Leak-Code-Execution.html
Mailing Listx_refsource_MLISTTechnical Description
Source: [email protected]
http://www.openwall.com/lists/oss-security/2018/06/14/1
Mailing Listx_refsource_BUGTRAQ
Source: [email protected]
http://www.securityfocus.com/archive/1/542087/100/0/threaded
x_refsource_MISCPermissions RequiredVendor Advisory
Source: [email protected]
https://bugs.webkit.org/show_bug.cgi?id=186384
Vendor Advisoryx_refsource_GENTOO
Source: [email protected]
https://security.gentoo.org/glsa/201808-04
x_refsource_MISCPatchThird Party AdvisoryVendor Advisory
Source: [email protected]
https://trac.webkit.org/changeset/232618
Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
Source: [email protected]
https://usn.ubuntu.com/3687-1/
Exploitx_refsource_EXPLOIT-DB
Source: [email protected]
https://www.exploit-db.com/exploits/45205/

CVSS

6.8MEDIUM[email protected]
Confidentiality
PARTIAL
Integrity
PARTIAL
Availability
PARTIAL
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-190CWE-787

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