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WebKitGTK+ / WPE WebKit Code Execution / Denial Of Service

WebKitGTK+ / WPE WebKit Code Execution / Denial Of Service
Posted Aug 7, 2018
Authored by WebKitGTK+ Team

WebKitGTK+ and WPE WebKit suffers from buffer overflow, code execution, and denial of service vulnerabilities.

tags | advisory, denial of service, overflow, vulnerability, code execution
advisories | CVE-2018-12911, CVE-2018-4246, CVE-2018-4261, CVE-2018-4262, CVE-2018-4263, CVE-2018-4264, CVE-2018-4265, CVE-2018-4266, CVE-2018-4267, CVE-2018-4270, CVE-2018-4271, CVE-2018-4272, CVE-2018-4273, CVE-2018-4278, CVE-2018-4284
SHA-256 | 77a5be3e45d043d1e2a8004712d6e668b563c35c03fb45069404b1da867cde1d

WebKitGTK+ / WPE WebKit Code Execution / Denial Of Service

Change Mirror Download
------------------------------------------------------------------------
WebKitGTK+ and WPE WebKit Security Advisory WSA-2018-0006
------------------------------------------------------------------------

Date reported : August 07, 2018
Advisory ID : WSA-2018-0006
WebKitGTK+ Advisory URL :
https://webkitgtk.org/security/WSA-2018-0006.html
WPE WebKit Advisory URL :
https://wpewebkit.org/security/WSA-2018-0006.html
CVE identifiers : CVE-2018-4246, CVE-2018-4261, CVE-2018-4262,
CVE-2018-4263, CVE-2018-4264, CVE-2018-4265,
CVE-2018-4266, CVE-2018-4267, CVE-2018-4270,
CVE-2018-4271, CVE-2018-4272, CVE-2018-4273,
CVE-2018-4278, CVE-2018-4284, CVE-2018-12911.

Several vulnerabilities were discovered in WebKitGTK+ and WPE WebKit.

CVE-2018-4246
Versions affected: WebKitGTK+ before 2.20.4 and WPE WebKit before
2.20.1.
Credit to OSS-Fuzz.
Processing maliciously crafted web content may lead to arbitrary
code execution. A type confusion issue was addressed with improved
memory handling.

CVE-2018-4261
Versions affected: WebKitGTK+ before 2.20.4 and WPE WebKit before
2.20.2.
Credit to Omair working with Trend Micro's Zero Day Initiative.
Processing maliciously crafted web content may lead to arbitrary
code execution. A memory corruption issue was addressed with
improved memory handling.

CVE-2018-4262
Versions affected: WebKitGTK+ before 2.20.4 and WPE WebKit before
2.20.2.
Credit to Mateusz Krzywicki working with Trend Micro's Zero Day
Initiative.
Processing maliciously crafted web content may lead to arbitrary
code execution. A memory corruption issue was addressed with
improved memory handling.

CVE-2018-4263
Versions affected: WebKitGTK+ before 2.20.4 and WPE WebKit before
2.20.2.
Credit to Arayz working with Trend Micro's Zero Day Initiative.
Processing maliciously crafted web content may lead to arbitrary
code execution. A memory corruption issue was addressed with
improved memory handling.

CVE-2018-4264
Versions affected: WebKitGTK+ before 2.20.4 and WPE WebKit before
2.20.2.
Credit to OSS-Fuzz, Yu Zhou and Jundong Xie of Ant-financial Light-
Year Security Lab.
Processing maliciously crafted web content may lead to arbitrary
code execution. A memory corruption issue was addressed with
improved memory handling.

CVE-2018-4265
Versions affected: WebKitGTK+ before 2.20.4 and WPE WebKit before
2.20.2.
Credit to cc working with Trend Micro's Zero Day Initiative.
Processing maliciously crafted web content may lead to arbitrary
code execution. A memory corruption issue was addressed with
improved memory handling.

CVE-2018-4266
Versions affected: WebKitGTK+ before 2.20.4 and WPE WebKit before
2.20.2.
Credit to OSS-Fuzz.
A malicious website may be able to cause a denial of service. A race
condition was addressed with additional validation.

CVE-2018-4267
Versions affected: WebKitGTK+ before 2.20.4 and WPE WebKit before
2.20.2.
Credit to Arayz of Pangu team working with Trend Micro's Zero Day
Initiative.
Processing maliciously crafted web content may lead to arbitrary
code execution. A memory corruption issue was addressed with
improved memory handling.

CVE-2018-4270
Versions affected: WebKitGTK+ before 2.20.4 and WPE WebKit before
2.20.2.
Credit to OSS-Fuzz.
Processing maliciously crafted web content may lead to an unexpected
application crash. A memory corruption issue was addressed with
improved memory handling.

CVE-2018-4271
Versions affected: WebKitGTK+ before 2.20.2.
Credit to OSS-Fuzz.
Processing maliciously crafted web content may lead to an unexpected
application crash. A memory corruption issue was addressed with
improved input validation.

CVE-2018-4272
Versions affected: WebKitGTK+ before 2.20.4 and WPE WebKit before
2.20.2.
Credit to OSS-Fuzz.
Processing maliciously crafted web content may lead to arbitrary
code execution. A memory corruption issue was addressed with
improved memory handling.

CVE-2018-4273
Versions affected: WebKitGTK+ before 2.20.4 and WPE WebKit before
2.20.2.
Credit to OSS-Fuzz.
Processing maliciously crafted web content may lead to an unexpected
application crash. A memory corruption issue was addressed with
improved input validation.

CVE-2018-4278
Versions affected: WebKitGTK+ before 2.20.4 and WPE WebKit before
2.20.2.
Credit to Jun Kokatsu (@shhnjk).
A malicious website may exfiltrate audio data cross-origin. Sound
fetched through audio elements may be exfiltrated cross-origin. This
issue was addressed with improved audio taint tracking.

CVE-2018-4284
Versions affected: WebKitGTK+ before 2.20.4 and WPE WebKit before
2.20.2.
Credit to OSS-Fuzz.
Processing maliciously crafted web content may lead to arbitrary
code execution. A type confusion issue was addressed with improved
memory handling.

CVE-2018-12911
Versions affected: WebKitGTK+ before 2.20.4 and WPE WebKit before
2.20.2.
Credit to Yu Haiwan.
Processing maliciously crafted web content may lead to arbitrary
code execution. A buffer overflow issue was addressed with improved
memory handling.


We recommend updating to the latest stable versions of WebKitGTK+ and
WPE WebKit. It is the best way to ensure that you are running safe
versions of WebKit. Please check our websites for information about the
latest stable releases.

Further information about WebKitGTK+ and WPE WebKit security advisories
can be found at: https://webkitgtk.org/security.html or
https://wpewebkit.org/security/.

The WebKitGTK+ and WPE WebKit team,
August 07, 2018
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