Mandatory encryption at rest can be bypassed (UI) in Wire app
CVE-2021-41094

4.2MEDIUM

Key Information:

Vendor

Wireapp

Status
Wire-iOS
Vendor
CVE Published:
4 October 2021

What is CVE-2021-41094?

Wire is an open source secure messenger. Users of Wire by Bund may bypass the mandatory encryption at rest feature by simply disabling their device passcode. Upon launching, the app will attempt to enable encryption at rest by generating encryption keys via the Secure Enclave, however it will fail silently if no device passcode is set. The user has no indication that encryption at rest is not active since the feature is hidden to them. This issue has been resolved in version 3.70

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Deploy the Patch

Affected Version(s)

wire-ios >= 3.68, < 3.70

References

https://github.com/wireapp/wire-ios/security/advisories/G...
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https://github.com/wireapp/wire-ios/commit/5ba3eb180efc3f...
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CVSS V3.1

Score:
4.2
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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