The Yuko Yuko (aka jp.co.yukoyuko.android.yukoyuko_android) application 1.0.5 and earlier for Android does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-5323
Reference (s):
- JVN:JVN#04560253
- URL: http://jvn.jp/en/jp/JVN04560253/index.html
- JVNDB:JVNDB-2014-000111
- URL: http://jvndb.jvn.jp/jvndb/JVNDB-2014-000111
- https://play.google.com/store/apps/details?id=jp.co.yukoyuko.android.yukoyuko_android