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Multiple Vulnerabilities in Google Chrome Could Allow for Arbitrary Code Execution

MS-ISAC ADVISORY NUMBER:

2019-129

DATE(S) ISSUED:

12/10/2019

OVERVIEW:

Multiple vulnerabilities have been discovered in Google Chrome, the most severe of which could allow for arbitrary code execution. Google Chrome is a web browser used to access the Internet. Successful exploitation of the most severe vulnerabilities could allow an attacker to execute arbitrary code in the context of the browser. Depending on the privileges associated with the application, an attacker could install programs; view, change, or delete data; or create new accounts with full user rights. If this application has been configured to have fewer user rights on the system, exploitation of the most severe of these vulnerabilities could have less impact than if it was configured with administrative rights.

THREAT INTELLIGENCE:

There are currently no reports of these vulnerabilities being exploited in the wild.

SYSTEMS AFFECTED:

  • Google Chrome versions prior to 79.0.3945.79

RISK:

Government:
  • Large and medium government entities: HIGH
  • Small government entities: MEDIUM
Businesses:
  • Large and medium business entities: HIGH
  • Small business entities: MEDIUM
Home Users:
LOW

TECHNICAL SUMMARY:

Multiple vulnerabilities have been discovered in Google Chrome, the most severe of which could result in arbitrary code execution. These vulnerabilities can be exploited if a user visits, or is redirected to, a specially crafted web page. Details of the vulnerabilities are as follows:

  • Use after free in Bluetooth (CVE-2019-13725)
  • Heap buffer overflow in password manager (CVE-2019-13726)
  • Insufficient policy enforcement in WebSockets (CVE-2019-13727)
  • Out of bounds write in V8 (CVE-2019-13728)
  • Use after free in WebSockets (CVE-2019-13729)
  • Type Confusion in V8 (CVE-2019-13730)
  • Use after free in WebAudio (CVE-2019-13732)
  • Out of bounds write in SQLite (CVE-2019-13734)
  • Out of bounds write in V8 (CVE-2019-13735)
  • Type Confusion in V8 (CVE-2019-13764)
  • Integer overflow in PDFium (CVE-2019-13736)
  • Insufficient policy enforcement in autocomplete (CVE-2019-13737)
  • Insufficient policy enforcement in navigation (CVE-2019-13738)
  • Incorrect security UI in Omnibox (CVE-2019-13739)
  • Incorrect security UI in sharing (CVE-2019-13740)
  • Insufficient validation of untrusted input in Blink (CVE-2019-13741)
  • Incorrect security UI in Omnibox. Reported by Khalil Zhani on 2019-10-24 (CVE-2019-13742)
  • Incorrect security UI in external protocol handling (CVE-2019-13743)
  • Insufficient policy enforcement in cookies (CVE-2019-13744)
  • Insufficient policy enforcement in audio (CVE-2019-13745)
  • Insufficient policy enforcement in Omnibox (CVE-2019-13746)
  • Uninitialized Use in rendering (CVE-2019-13747)
  • Insufficient policy enforcement in developer tools (CVE-2019-13748)
  • Incorrect security UI in Omnibox (CVE-2019-13749)
  • Insufficient data validation in SQLite (CVE-2019-13750)
  • Uninitialized Use in SQLite (CVE-2019-13751)
  • Out of bounds read in SQLite (CVE-2019-13752)
  • Out of bounds read in SQLite (CVE-2019-13753)
  • Insufficient policy enforcement in extensions (CVE-2019-13754)
  • Insufficient policy enforcement in extensions (CVE-2019-13755)
  • Incorrect security UI in printing (CVE-2019-13756)
  • Incorrect security UI in Omnibox (CVE-2019-13757)
  • Insufficient policy enforcement in navigation (CVE-2019-13758)
  • Incorrect security UI in interstitials (CVE-2019-13759)
  • Incorrect security UI in Omnibox (CVE-2019-13761)
  • Insufficient policy enforcement in downloads (CVE-2019-13762)
  • Insufficient policy enforcement in payments (CVE-2019-13763)

Successful exploitation of the most severe of these vulnerabilities could allow an attacker to execute arbitrary code in the context of the browser, obtain sensitive information, bypass security restrictions and perform unauthorized actions, or cause denial-of-service conditions.

RECOMMENDATIONS:

We recommend the following actions be taken:

  • Apply the stable channel update provided by Google to vulnerable systems immediately after appropriate testing.
  • Run all software as a non-privileged user (one without administrative privileges) to diminish the effects of a successful attack.
  • Remind users not to visit un-trusted websites or follow links provided by unknown or un-trusted sources.
  • Inform and educate users regarding the threats posed by hypertext links contained in emails or attachments especially from un-trusted sources.
  • Apply the Principle of Least Privilege to all systems and services.

REFERENCES:

CVE:
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13725 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13726 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13727 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13728 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13729 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13730 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13732 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13734 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13735 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13736 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13737 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13738 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13739 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13740 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13741 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13742 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13743 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13744 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13745 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13746 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13747 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13748 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13749 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13750 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13751 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13752 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13753 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13754 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13755 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13756 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13757 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13758 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13759 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13761 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13762 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13763 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13764

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