Published:2016/04/19  Last Updated:2016/04/25

JVN#11815655
Photopt App fails to verify SSL server certificates

Overview

Photopt App fails to verify SSL server certificates.

Products Affected

  • Photopt for Android 1.0.0, 1.1.0

Description

Photopt App provided by NTT Communications Corporation fails to verify SSL server certificates.

Impact

A man-in-the-middle attack may allow an attacker to eavesdrop on an encrypted communication.

Solution

Update the Software
Update to the latest version according to the information provided by the developer.

Vendor Status

Vendor Status Last Update Vendor Notes
NTT Communications Corporation Vulnerable 2016/04/25 NTT Communications Corporation website

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

CVSS v3 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Base Score: 4.8
Attack Vector(AV) Physical (P) Local (L) Adjacent (A) Network (N)
Attack Complexity(AC) High (H) Low (L)
Privileges Required(PR) High (H) Low (L) None (N)
User Interaction(UI) Required (R) None (N)
Scope(S) Unchanged (U) Changed (C)
Confidentiality Impact(C) None (N) Low (L) High (H)
Integrity Impact(I) None (N) Low (L) High (H)
Availability Impact(A) None (N) Low (L) High (H)
CVSS v2 AV:N/AC:H/Au:N/C:P/I:P/A:N
Base Score: 4.0
Access Vector(AV) Local (L) Adjacent Network (A) Network (N)
Access Complexity(AC) High (H) Medium (M) Low (L)
Authentication(Au) Multiple (M) Single (S) None (N)
Confidentiality Impact(C) None (N) Partial (P) Complete (C)
Integrity Impact(I) None (N) Partial (P) Complete (C)
Availability Impact(A) None (N) Partial (P) Complete (C)

Comment

This analysis assumes a man-in-the-middle attack being conducted by an attacker that places a malicious wireless LAN access point.

Credit

Yuto Iso reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE CVE-2016-1198
JVN iPedia JVNDB-2016-000050

Update History

2016/04/25
NTT Communications Corporation update status