Paper/Archive/CVE-2021-41093

CVE-2021-41093

wireapp wire-ios — Account takeover when having only access to a user's short lived token

Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
wire-ios< 3.86–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GitHub_M (CNA)7.4CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

References

refgithub.com/wireapp/wire-ios/security/advisories/GHSA-6f4c-phfj-m255refgithub.com/wireapp/wire-ios-sync-engine/security/advisories/GHSA-w727-5f74-49xjrefgithub.com/wireapp/wire-ios-transport/security/advisories/GHSA-p354-6r3m-g4xrrefgithub.com/wireapp/wire-server/security/advisories/GHSA-9rm2-w6pq-333mrefgithub.com/wireapp/wire-ios/commit/b0e7bb3b13dd8212032cb46e32edf701694687c7