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WebKitGTK+ Security Advisory                               WSA-2017-0002
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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