Kaspersky Safe Browser Man-In-The-Middle

Credit: info-sec.ca
Risk: Medium
Local: No
Remote: Yes
CWE: CWE-200

CVSS Base Score: 4.3/10
Impact Subscore: 2.9/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: Partial
Integrity impact: None
Availability impact: None

Kaspersky Safe Browser iOS Application - MITM SSL Certificate Vulnerability (CVE-2016-6231) Overview "Stay safe from malicious links, suspicious content and identity theft while you surfing the Internet." "Our Safe Browser covers the original iPhone & iPad web browser and detects & blocks phishing sites that can steal your money & your account details, eliminates unwanted content & notifies about spam links - for you to surf the web without frontiersa| safely." "You will get: - Advanced Anti-Phishing to effectively block fake websites - Proactive detection of fraudulent links / URLs - powered by the cloud - Content filtering to choose & block specific categories of unwanted info - Safe internet browsing across Google, Bing, Yandex and Yahoo search engines" (https://itunes.apple.com/us/app/kaspersky-safe-browser-fast/id723879672) Issue The Kaspersky Safe Browser iOS application (version 1.6.0 and below), does not validate SSL certificates it receives when connecting to secure sites. Impact An attacker who can perform a man in the middle attack may present a bogus SSL certificate for a secure site which the application will accept silently. Usernames, passwords and sensitive information could be captured by an attacker without the user's knowledge. Timeline June 23, 2016 - Notified Kaspersky via vulnerability@kaspersky.com June 23, 2016 - Kaspersky responded that they will investigate June 27, 2016 - Kaspersky confirmed the vulnerability and advised that the issue would be resolved in the next release June 27, 2016 - Asked for a timeline when the new version would be released June 30, 2016 - Kaspersky responded stating that they do not yet have a release date July 18, 2016 - Kaspersky advised that the update is scheduled to be released at the end of July July 28, 2016 - Kaspersky released version 1.7.0 which resolves this vulnerability Solution Upgrade to version 1.7.0 or later https://support.kaspersky.com/vulnerability.aspx?el=12430#280716 CVE-ID: CVE-2016-6231 Questions? http://www.info-sec.ca/contact.html



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