WebKitGTK and WPE WebKit Security Advisory WSA-2019-0005

• Date Reported: October 29, 2019

• Advisory ID: WSA-2019-0005

• CVE identifiers: CVE-2019-8625, CVE-2019-8674, CVE-2019-8707, CVE-2019-8719, CVE-2019-8720, CVE-2019-8726, CVE-2019-8733, CVE-2019-8735, CVE-2019-8763, CVE-2019-8768, CVE-2019-8769, CVE-2019-8771.

Several vulnerabilities were discovered in WebKitGTK and WPE WebKit.

• CVE-2019-8625

  • Versions affected: WebKitGTK before 2.26.0 and WPE WebKit before 2.26.0.
  • Credit to Sergei Glazunov of Google Project Zero.
  • Impact: Processing maliciously crafted web content may lead to universal cross site scripting. Description: A logic issue was addressed with improved state management.

• CVE-2019-8674

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

• CVE-2019-8707

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

• CVE-2019-8719

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

• CVE-2019-8720

  • Versions affected: WebKitGTK before 2.26.0 and WPE WebKit before 2.26.0.
  • Credit to Wen Xu of SSLab at Georgia Tech.
  • Impact: Processing maliciously crafted web content may lead to arbitrary code execution. Description: Multiple memory corruption issues were addressed with improved memory handling.

• CVE-2019-8726

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

• CVE-2019-8733

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

• CVE-2019-8735

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

• CVE-2019-8763

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

• CVE-2019-8768

  • Versions affected: WebKitGTK before 2.24.0 and WPE WebKit before 2.24.0.
  • Credit to Hugo S. Diaz (coldpointblue).
  • Impact: A user may be unable to delete browsing history items. Description: “Clear History and Website Data” did not clear the history. The issue was addressed with improved data deletion.

• CVE-2019-8769

  • Versions affected: WebKitGTK before 2.26.0 and WPE WebKit before 2.26.0.
  • Credit to Piérre Reimertz (@reimertz).
  • Impact: Visiting a maliciously crafted website may reveal browsing history. Description: An issue existed in the drawing of web page elements. The issue was addressed with improved logic.

• CVE-2019-8771

  • Versions affected: WebKitGTK before 2.26.0 and WPE WebKit before 2.26.0.
  • Credit to Eliya Stein of Confiant.
  • Impact: Maliciously crafted web content may violate iframe sandboxing policy. Description: This issue was addressed with improved iframe sandbox enforcement.

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/.