Published:2011/07/29  Last Updated:2011/09/05

Android vulnerability where an incorrect SSL certificate is displayed


Android OS contains a vulnerability where an incorrect SSL certificate is displayed.

Products Affected

  • Android OS versions prior to 2.2


Android OS contains a vulnerability where a SSL certificate from an outside site is displayed when a user attempts to display a SSL certificate from a site that reads in contents from an outside site.


An attacker may trick the user into believing the site being visited is safe, which may lead to phishing attacks.


For Mobile Device Developers
Apply the update according to the information provided by Google.

For Mobile Device Users
For more information, please refer to the "Vendor Status" below.

This issue has been resolved in Android OS 2.2.


JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2011.07.29

Measures Conditions Severity
Access Required can be attacked over the Internet using packets
  • High
Authentication anonymous or no authentication (IP addresses do not count)
  • High
User Interaction Required the user must be convinced to take a standard action that does not feel harmful to most users, such as click on a link or view a file
  • Mid
Exploit Complexity some expertise and/or luck required (most buffer overflows, guessing correctly in small space, expertise in Windows function calls)
  • Mid-High

Description of each analysis measures


Shuhei Ohtani of Business information govern CO., LTD reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

Other Information

JPCERT Reports
CERT Advisory
CPNI Advisory
CVE CVE-2010-4832
JVN iPedia JVNDB-2011-000053

Update History

Information under "Solution" was updated.
CVE was added under the section "Other Information."