Yahoo! Browser vulnerable in the WebView class


Yahoo! Browser contains a vulnerability in the WebView class.

Yahoo! Browser is a web browser for Android devices. Yahoo! Browser contains a vulnerability in the WebView class.

Gaku Mochizuki of Mitsui Bussan Secure Directions, Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V2 Severity:
Base Metrics 2.6 (Low) [IPA Score]
  • Access Vector: Network
  • Access Complexity: High
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: None
  • Availability Impact: None
Affected Products

Yahoo Japan Corporation
  • Yahoo! Browser 1.2.1 and earlier

According to the developer, it was found that version 1.2.1 released on 2012/7/13 did not resolve the vulnerability, therefore, the developer released version 1.2.2 on 2012/7/18 to address the reported issue.

If a user of the affected product uses other malicious Android application, information managed by the affected product may be disclosed.

[Update the software]
Update to the latest version according to the information provided by the developer.
Vendor Information

Yahoo Japan Corporation
CWE (What is CWE?)

  1. No Mapping(CWE-Other) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2012-2645

  1. JVN : JVN#46088915
  2. National Vulnerability Database (NVD) : CVE-2012-2645
Revision History

  • [2012/07/13]
      Web page was published
      Affected Products is updated