The Norton Family Android App can be susceptible to a Denial of Service (DoS) exploit. A DoS attack is a type of attack whereby the perpetrator attempts to make a particular device unavailable to its intended user by temporarily or indefinitely disrupting services of a specific host within a network. DoS attacks can occur when a system becomes flooded with specific network requests or subversive operations that can cause the resourced system to become unresponsive.
The Norton Family Android App can be susceptible to an Information Disclosure issue. Information disclosure is a very common issue that attackers will attempt to exploit as a first pass across the application. As they probe the application they will take note of anything that may seem out of place or any bit of information they can use to their advantage such as error messages, system information, user data, version numbers, component names, URL paths, or even simple typos and misspellings.
These issues were validated by the product team engineers. A Norton Family Android App update, version 188.8.131.52, has been released which address the aforementioned issues. Note that the latest Symantec Norton Family Android App release and patches are available to customers through the Google Play Store. At this time, Symantec is not aware of any exploitations or adverse customer impact from these issues.
Symantec recommends the following measures to reduce risk of attack:
Restrict access to administrative or management systems to authorized privileged users.
Restrict remote access to trusted/authorized systems only.
Run under the principle of least privilege, where possible, to limit the impact of potential exploit.
Keep all operating systems and applications current with vendor patches.
Follow a multi-layered approach to security. At a minimum, run both firewall and anti-malware applications to provide multiple points of detection and protection to both inbound and outbound threats.
Deploy network and host-based intrusion detection systems to monitor network traffic for signs of anomalous or suspicious activity. This may aid in the detection of attacks or malicious activity related to the exploitation of latent vulnerabilities.
Kai Kunschke <Kai.Kunschke@cirosec.de> (CVE-2017-15529)
Kai Kunschke <Kai.Kunschke@cirosec.de> (CVE-2017-15530)
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