JVN#33214411
i-FILTER vulnerable to improper check for certificate revocation
Overview
i-FILTER provided by Digital Arts Inc. is vulnerable to improper check for certificate revocation.
Products Affected
- i-FILTER
- Ver.10.45R01 and earlier
- Ver.9.50R10 and earlier
- i-FILTER Browser & Cloud MultiAgent for Windows Ver.4.93R04 and earlier
Description
i-FILTER provided by Digital Arts Inc. is vulnerable to improper check for certificate revocation (CWE-299) .
Impact
A man-in-the-middle attack may allow an attacker to eavesdrop on an encrypted communication.
Solution
Update the software and add settings
Update the software to the latest version according to the information provided by the developer.
After updating to the latest version, enable "Check certificate revocation" from i-FILTER's Management console [Option / SSL Adapter / Basic settings].
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) |
Credit
Digital Arts Inc. reported this vulnerability to IPA to notify users of its solution through JVN. JPCERT/CC and Digital Arts Inc. coordinated under the 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-2022-21170 |
| JVN iPedia |
JVNDB-2022-000008 |