جزئیات آسیب‌پذیری

Cryptomator for IOS offers multi-platform transparent client-side encryption for files in the cloud. Prior to version 2.8.3, an integrity check vulnerability allows an attacker tamper with the vault configuration file leading to a man-in-the-middle vulnerability in Hub key loading mechanism. Before this fix, the client trusted endpoints from the vault config without host authenticity checks, which could allow token exfiltration by mixing a legitimate auth endpoint with a malicious API endpoint. Impacted are users unlocking Hub-backed vaults with affected client versions in environments where an attacker can alter the vault.cryptomator file. This issue has been patched in version 2.8.3.

• https://github.com/cryptomator/ios/security/advisories/GHSA-g7fr-c82r-hm6j x_refsource_CONFIRM
• https://github.com/cryptomator/ios/pull/444 x_refsource_MISC
• https://github.com/cryptomator/ios/commit/98c31280304af65c0932eb547d5fe4be2d16929c x_refsource_MISC
• https://github.com/cryptomator/ios/releases/tag/2.8.3 x_refsource_MISC