WebKitGTK and WPE WebKit Security Advisory WSA-2019-0004

• Date Reported: August 29, 2019

• Advisory ID: WSA-2019-0004

• CVE identifiers: CVE-2019-8644, CVE-2019-8649, CVE-2019-8658, CVE-2019-8666, CVE-2019-8669, CVE-2019-8671, CVE-2019-8672, CVE-2019-8673, CVE-2019-8676, CVE-2019-8677, CVE-2019-8678, CVE-2019-8679, CVE-2019-8680, CVE-2019-8681, CVE-2019-8683, CVE-2019-8684, CVE-2019-8686, CVE-2019-8687, CVE-2019-8688, CVE-2019-8689, CVE-2019-8690.

Several vulnerabilities were discovered in WebKitGTK and WPE WebKit.

• CVE-2019-8644

  • Versions affected: WebKitGTK before 2.24.4 and WPE WebKit before 2.24.3.
  • Credit to G. Geshev working with Trend Micro’s Zero Day Initiative.
  • Processing maliciously crafted web content may lead to arbitrary code execution. Multiple memory corruption issues were addressed with improved memory handling.

• CVE-2019-8649

  • Versions affected: WebKitGTK before 2.24.4 and WPE WebKit before 2.24.3.
  • Credit to Sergei Glazunov of Google Project Zero.
  • Processing maliciously crafted web content may lead to universal cross site scripting. A logic issue existed in the handling of synchronous page loads. This issue was addressed with improved state management.

• CVE-2019-8658

  • Versions affected: WebKitGTK before 2.24.4 and WPE WebKit before 2.24.3.
  • Credit to akayn working with Trend Micro’s Zero Day Initiative.
  • Processing maliciously crafted web content may lead to universal cross site scripting. A logic issue was addressed with improved state management.

• CVE-2019-8666

  • Versions affected: WebKitGTK and WPE WebKit before 2.24.3.
  • Credit to Zongming Wang (王宗明) and Zhe Jin (金哲) from Chengdu Security Response Center of Qihoo 360 Technology Co. Ltd.
  • Processing maliciously crafted web content may lead to arbitrary code execution. Multiple memory corruption issues were addressed with improved memory handling.

• CVE-2019-8669

  • Versions affected: WebKitGTK before 2.24.4 and WPE WebKit before 2.24.3.
  • Credit to akayn working with Trend Micro’s Zero Day Initiative.
  • Processing maliciously crafted web content may lead to arbitrary code execution. Multiple memory corruption issues were addressed with improved memory handling.

• CVE-2019-8671

  • Versions affected: WebKitGTK and WPE WebKit before 2.24.2.
  • Credit to Apple.
  • Processing maliciously crafted web content may lead to arbitrary code execution. Multiple memory corruption issues were addressed with improved memory handling.

• CVE-2019-8672

  • Versions affected: WebKitGTK and WPE WebKit before 2.24.2.
  • Credit to Samuel Groß of Google Project Zero.
  • Processing maliciously crafted web content may lead to arbitrary code execution. Multiple memory corruption issues were addressed with improved memory handling.

• CVE-2019-8673

  • Versions affected: WebKitGTK and WPE WebKit before 2.24.3.
  • Credit to Soyeon Park and Wen Xu of SSLab at Georgia Tech.
  • Processing maliciously crafted web content may lead to arbitrary code execution. Multiple memory corruption issues were addressed with improved memory handling.

• CVE-2019-8676

  • Versions affected: WebKitGTK and WPE WebKit before 2.24.3.
  • Credit to Soyeon Park and Wen Xu of SSLab at Georgia Tech.
  • Processing maliciously crafted web content may lead to arbitrary code execution. Multiple memory corruption issues were addressed with improved memory handling.

• CVE-2019-8677

  • Versions affected: WebKitGTK and WPE WebKit before 2.24.2.
  • Credit to Jihui Lu of Tencent KeenLab.
  • Processing maliciously crafted web content may lead to arbitrary code execution. Multiple memory corruption issues were addressed with improved memory handling.

• CVE-2019-8678

  • Versions affected: WebKitGTK before 2.24.4 and WPE WebKit before 2.24.3.
  • Credit to an anonymous researcher, Anthony Lai (@darkfloyd1014) of Knownsec, Ken Wong (@wwkenwong) of VXRL, Jeonghoon Shin (@singi21a) of Theori, Johnny Yu (@straight_blast) of VX Browser Exploitation Group, Chris Chan (@dr4g0nfl4me) of VX Browser Exploitation Group, Phil Mok (@shadyhamsters) of VX Browser Exploitation Group, Alan Ho (@alan_h0) of Knownsec, Byron Wai of VX Browser Exploitation.
  • Processing maliciously crafted web content may lead to arbitrary code execution. Multiple memory corruption issues were addressed with improved memory handling.

• CVE-2019-8679

  • Versions affected: WebKitGTK and WPE WebKit before 2.24.2.
  • Credit to Jihui Lu of Tencent KeenLab.
  • Processing maliciously crafted web content may lead to arbitrary code execution. Multiple memory corruption issues were addressed with improved memory handling.

• CVE-2019-8680

  • Versions affected: WebKitGTK before 2.24.4 and WPE WebKit before 2.24.3.
  • Credit to Jihui Lu of Tencent KeenLab.
  • Processing maliciously crafted web content may lead to arbitrary code execution. Multiple memory corruption issues were addressed with improved memory handling.

• CVE-2019-8681

  • Versions affected: WebKitGTK and WPE WebKit before 2.24.3.
  • Credit to G. Geshev working with Trend Micro Zero Day Initiative.
  • Processing maliciously crafted web content may lead to arbitrary code execution. Multiple memory corruption issues were addressed with improved memory handling.

• CVE-2019-8683

  • Versions affected: WebKitGTK before 2.24.4 and WPE WebKit before 2.24.3.
  • Credit to lokihardt of Google Project Zero.
  • Processing maliciously crafted web content may lead to arbitrary code execution. Multiple memory corruption issues were addressed with improved memory handling.

• CVE-2019-8684

  • Versions affected: WebKitGTK before 2.24.4 and WPE WebKit before 2.24.3.
  • Credit to lokihardt of Google Project Zero.
  • Processing maliciously crafted web content may lead to arbitrary code execution. Multiple memory corruption issues were addressed with improved memory handling.

• CVE-2019-8686

  • Versions affected: WebKitGTK and WPE WebKit before 2.24.2.
  • Credit to G. Geshev working with Trend Micro’s Zero Day Initiative.
  • Processing maliciously crafted web content may lead to arbitrary code execution. Multiple memory corruption issues were addressed with improved memory handling.

• CVE-2019-8687

  • Versions affected: WebKitGTK and WPE WebKit before 2.24.3.
  • Credit to Apple.
  • Processing maliciously crafted web content may lead to arbitrary code execution. Multiple memory corruption issues were addressed with improved memory handling.

• CVE-2019-8688

  • Versions affected: WebKitGTK before 2.24.4 and WPE WebKit before 2.24.3.
  • Credit to Insu Yun of SSLab at Georgia Tech.
  • Processing maliciously crafted web content may lead to arbitrary code execution. Multiple memory corruption issues were addressed with improved memory handling.

• CVE-2019-8689

  • Versions affected: WebKitGTK and WPE WebKit before 2.24.3.
  • Credit to lokihardt of Google Project Zero.
  • Processing maliciously crafted web content may lead to arbitrary code execution. Multiple memory corruption issues were addressed with improved memory handling.

• CVE-2019-8690

  • Versions affected: WebKitGTK and WPE WebKit before 2.24.3.
  • Credit to Sergei Glazunov of Google Project Zero.
  • Processing maliciously crafted web content may lead to universal cross site scripting. A logic issue existed in the handling of document loads. This issue was addressed with improved state management.

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/.