Vulnerability CVE-2021-41093
Published: 2021-10-04

Description:
Wire is an open source secure messenger. In affected versions if the an attacker gets an old but valid access token they can take over an account by changing the email. This issue has been resolved in version 3.86 which uses a new endpoint which additionally requires an authentication cookie. See wire-ios-sync-engine and wire-ios-transport references. This is the root advisory that pulls the changes together.

Type:

CWE-285

 (Improper Authorization)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
WIRE -> WIRE 

 References:
https://github.com/wireapp/wire-ios-sync-engine/security/advisories/GHSA-w727-5f74-49xj
https://github.com/wireapp/wire-ios/commit/b0e7bb3b13dd8212032cb46e32edf701694687c7
https://github.com/wireapp/wire-server/security/advisories/GHSA-9rm2-w6pq-333m
https://github.com/wireapp/wire-ios-transport/security/advisories/GHSA-p354-6r3m-g4xr
https://github.com/wireapp/wire-ios/security/advisories/GHSA-6f4c-phfj-m255
Copyright 2024, cxsecurity.com

 

Back to Top