JVN#10168753
SNKRDUNK Market Place App for iOS vulnerable to improper server certificate verification
Overview
SNKRDUNK Market Place App for iOS is vulnerable to improper server certificate verification.
Products Affected
- SNKRDUNK Market Place App for iOS versions prior to 2.2.0
Description
SNKRDUNK Market Place App for iOS provided SODA, Inc. is vulnerable to improper server certificate verification (CWE-295).
Impact
A man-in-the-middle attack may allow an attacker to eavesdrop on and/or alter the communication.
Solution
Update the application
Update the application to the latest version according to the information provided by the developer.
Vendor Status
References
JPCERT/CC Addendum
Vulnerability Analysis by JPCERT/CC
| 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) |
| 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
Okazawa Yoshihiro of Cryptography Laboratory , Information and Communication Engineering ,Graduate School of Engineering , Tokyo Denki University reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
Other Information
| JPCERT Alert |
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| JPCERT Reports |
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| CERT Advisory |
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| CPNI Advisory |
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| TRnotes |
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| CVE |
CVE-2021-20833 |
| JVN iPedia |
JVNDB-2021-000085 |