A vulnerability has been found in Evernote 5.5.0 on Android (Android App Software) and classified as critical. This vulnerability affects an unknown code block of the file .pref.xml of the component Authentication Handler. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, and integrity. The advisory summarizes:

The ADB backup functionality requires an Android device running the Ice-Cream Sandwich version of Android (4.x) or above.

The bug was discovered 05/01/2013. The weakness was released 12/07/2013 by Chris John Riley as confirmed blog post (Blog). The advisory is available at blog.c22.cc. The public release was coordinated with the vendor. This vulnerability was named CVE-2013-5116 since 08/13/2013. Local access is required to approach this attack. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known.

After immediately, there has been an exploit disclosed. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 208 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:.pref.xml it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 5.5.1 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

Entry connected to this vulnerability is available at 11505.

Productinfo

Type

• Android App Software

Name

• Evernote

Version

• 5.5.0

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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