Ryo Nihonyanagi

**Name of the Vulnerable Software and Affected Versions** Toyoko Inn official App for iOS versions prior to 1.13.0 Toyoko Inn official App for Android versions prior to 1.3.14 **Description** The issue arises from the improper verification of server certificates, allowing a man-in-the-middle attacker to spoof servers. This can lead to the attacker obtaining sensitive information via a crafted certificate. **Recommendations** For Toyoko Inn official App for iOS versions prior to 1.13.0, update to version 1.13.0 or later to resolve the issue. For Toyoko Inn official App for Android versions prior to 1.3.14, update to version 1.3.14 or later to resolve the issue.

**Name of the Vulnerable Software and Affected Versions** Jiyu Kukan Toku-Toku coupon App for iOS versions 3.5.0 and earlier Jiyu Kukan Toku-Toku coupon App for Android versions 3.5.0 and earlier **Description** The issue is related to improper server certificate verification. If exploited, it may allow a man-in-the-middle attack, enabling an attacker to eavesdrop on encrypted communication. **Recommendations** For Jiyu Kukan Toku-Toku coupon App for iOS versions 3.5.0 and earlier, update to a version later than 3.5.0 to resolve the issue. For Jiyu Kukan Toku-Toku coupon App for Android versions 3.5.0 and earlier, update to a version later than 3.5.0 to resolve the issue.

**Name of the Vulnerable Software and Affected Versions** Ichiran App for iOS versions prior to 3.1.0 Ichiran App for Android versions prior to 3.1.0 **Description** The issue is related to improper server certificate verification, which may allow a remote unauthenticated attacker to eavesdrop on an encrypted communication via a man-in-the-middle attack. **Recommendations** For Ichiran App for iOS versions prior to 3.1.0, update to version 3.1.0 or later to resolve the issue. For Ichiran App for Android versions prior to 3.1.0, update to version 3.1.0 or later to resolve the issue.