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CRITICAL · 9.8

CVE-2017-1000121

The UNIX IPC layer in WebKit, including WebKitGTK+ prior to 2.16.3, does not properly validate message size metadata, allowing a compromised secondary process to trigger an integer overflow and subseq...

Vulnerability Description

The UNIX IPC layer in WebKit, including WebKitGTK+ prior to 2.16.3, does not properly validate message size metadata, allowing a compromised secondary process to trigger an integer overflow and subsequent buffer overflow in the UI process. This vulnerability does not affect Apple products.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
WebkitgtkWebkitgtk\+< 2.16.3

Related Weaknesses (CWE)

CWE-190

References

FAQ

What is CVE-2017-1000121?

CVE-2017-1000121 is a vulnerability with a CVSS score of 9.8 (CRITICAL). The UNIX IPC layer in WebKit, including WebKitGTK+ prior to 2.16.3, does not properly validate message size metadata, allowing a compromised secondary process to trigger an integer overflow and subseq...

How severe is CVE-2017-1000121?

CVE-2017-1000121 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2017-1000121?

Check the references section above for vendor advisories and patch information. Affected products include: Webkitgtk Webkitgtk\+.