PT-2012-58: Arbitrary Server Memory Chunks Reading in MongoDB Vulnerable softwareMongoDB Version: 2.x and earlierApplication link: http://www.mongodb.org/Severity levelSeverity level: Medium Impact: Arbitrary Server Memory Chunks Reading Access Vector: Local CVSS v2: Base Score: 4.4 Vector: (AV:L/AC:M/Au:S/C:C/I:N/A:N)CVE: not assignedSoftware descriptionMongoDB is an open-source document-centric database management system (DBMS) that do not require description of scheme of tables.Vulnerability descriptionThe specialists of the Positive Research center have detected "Columns Overwriting and Adding" vulnerability in MongoDB application.Due to improper handling of the length of the BSON document in the column name in the insert command, a specially crafted entry containing Base64 encoded server memory chunks can be introduced into MongoDB.How to fixUpdate your software up to the latest versionAdvisory status 27.11.2012 - Vendor gets vulnerability details 13.02.2013 - Vendor releases fixed version and details 10.07.2013 - Public disclosureCreditsThe vulnerability was detected by Mikhail Firstov, Positive Research Center (Positive Technologies Company)Referenceshttp://en.securitylab.ru/lab/PT-2012-58 Reports on the vulnerabilities previously discovered by Positive Research:http://ptsecurity.com/research/advisory/ http://en.securitylab.ru/lab/