CVE-2016-7812 Weak cryptography in The Bank of Tokyo-Mitsubishi UFJ, Ltd. App for Android
A man-in-the-middle attacker can downgrade TLS to SSLv3, allowing eavesdropping on encrypted communications in the banking app.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2016-7812?
CVE-2016-7812 is a low-severity vulnerability in The Bank of Tokyo-Mitsubishi UFJ, Ltd. App for Android, published on 2 Aug 2017. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The Bank of Tokyo-Mitsubishi UFJ, Ltd. App for Android ver5.3.1, ver5.2.2 and earlier allow a man-in-the-middle attacker to downgrade the communication between the app and the server from TLS v1.2 to SSL v3.0, which may result in the attacker to eavesdrop on an encrypted communication.
Weakness: CWE-310
Which versions are affected by CVE-2016-7812?
It affects 1 product.
Products include Mufg Mitsubishi Ufj.
How do I fix CVE-2016-7812?
No fix has been published for CVE-2016-7812 yet. Limit exposure of the affected software until one is available.
Is CVE-2016-7812 being exploited?
There is no known exploitation of CVE-2016-7812 in the wild and no public exploit code.
Sources
Also known as GHSA-w2r9-4jvf-qxv3.