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WebKitGTK+ Memory Corruption / Data Exfiltration

WebKitGTK+ Memory Corruption / Data Exfiltration
Posted Feb 12, 2017
Authored by WebKitGTK+ Team

WebKitGTK+ has been updated to address a large quantity of vulnerabilities ranging from memory corruption to arbitrary code execution.

tags | advisory, arbitrary, vulnerability, code execution
advisories | CVE-2017-2350, CVE-2017-2354, CVE-2017-2355, CVE-2017-2356, CVE-2017-2362, CVE-2017-2363, CVE-2017-2364, CVE-2017-2365, CVE-2017-2366, CVE-2017-2369, CVE-2017-2371, CVE-2017-2373
MD5 | 2ed7e6e361aa38024bcea5ba60fd320d

WebKitGTK+ Memory Corruption / Data Exfiltration

Change Mirror Download
------------------------------------------------------------------------
WebKitGTK+ Security Advisory WSA-2017-0002
------------------------------------------------------------------------

Date reported : February 10, 2017
Advisory ID : WSA-2017-0002
Advisory URL : https://webkitgtk.org/security/WSA-2017-0002.html
CVE identifiers : CVE-2017-2350, CVE-2017-2354, CVE-2017-2355,
CVE-2017-2356, CVE-2017-2362, CVE-2017-2363,
CVE-2017-2364, CVE-2017-2365, CVE-2017-2366,
CVE-2017-2369, CVE-2017-2371, CVE-2017-2373.

Several vulnerabilities were discovered in WebKitGTK+.

CVE-2017-2350
Versions affected: WebKitGTK+ before 2.14.4.
Credit to Gareth Heyes of Portswigger Web Security.
Impact: Processing maliciously crafted web content may exfiltrate
data cross-origin. Description: A prototype access issue was
addressed through improved exception handling.

CVE-2017-2354
Versions affected: WebKitGTK+ before 2.14.4.
Credit to Neymar of Tencent's Xuanwu Lab (tencent.com) working with
Trend Micro's Zero Day Initiative.
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution. Description: Multiple memory corruption
issues were addressed through improved memory handling.

CVE-2017-2355
Versions affected: WebKitGTK+ before 2.14.4.
Credit to Team Pangu and lokihardt at PwnFest 2016.
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution. Description: A memory initialization issue
was addressed through improved memory handling.

CVE-2017-2356
Versions affected: WebKitGTK+ before 2.14.4.
Credit to Team Pangu and lokihardt at PwnFest 2016.
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution. Description: Multiple memory corruption
issues were addressed through improved input validation.

CVE-2017-2362
Versions affected: WebKitGTK+ before 2.14.4.
Credit to Ivan Fratric of Google Project Zero.
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution. Description: Multiple memory corruption
issues were addressed through improved memory handling.

CVE-2017-2363
Versions affected: WebKitGTK+ before 2.14.4.
Credit to lokihardt of Google Project Zero.
Impact: Processing maliciously crafted web content may exfiltrate
data cross-origin. Description: Multiple validation issues existed
in the handling of page loading. This issue was addressed through
improved logic.

CVE-2017-2364
Versions affected: WebKitGTK+ before 2.14.4.
Credit to lokihardt of Google Project Zero.
Impact: Processing maliciously crafted web content may exfiltrate
data cross-origin. Description: Multiple validation issues existed
in the handling of page loading. This issue was addressed through
improved logic.

CVE-2017-2365
Versions affected: WebKitGTK+ before 2.14.4.
Credit to lokihardt of Google Project Zero.
Impact: Processing maliciously crafted web content may exfiltrate
data cross-origin. Description: A validation issue existed in
variable handling. This issue was addressed through improved
validation.

CVE-2017-2366
Versions affected: WebKitGTK+ before 2.14.4.
Credit to Kai Kang of Tencent's Xuanwu Lab (tencent.com).
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution. Description: Multiple memory corruption
issues were addressed through improved input validation.

CVE-2017-2369
Versions affected: WebKitGTK+ before 2.14.4.
Credit to Ivan Fratric of Google Project Zero.
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution. Description: Multiple memory corruption
issues were addressed through improved input validation.

CVE-2017-2371
Versions affected: WebKitGTK+ before 2.14.4.
Credit to lokihardt of Google Project Zero.
Impact: A malicious website can open popups. Description: An issue
existed in the handling of blocking popups. This was addressed
through improved input validation.

CVE-2017-2373
Versions affected: WebKitGTK+ before 2.14.4.
Credit to Ivan Fratric of Google Project Zero.
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution. Description: Multiple memory corruption
issues were addressed through improved memory handling.


We recommend updating to the last stable version of WebKitGTK+. It is
the best way of ensuring that you are running a safe version of
WebKitGTK+. Please check our website for information about the last
stable releases.

Further information about WebKitGTK+ Security Advisories can be found
at: https://webkitgtk.org/security.html

The WebKitGTK+ team,
February 10, 2017

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