CVE-2021-36689 Weak cryptography in n/a

Medium 5.5 Published Updated

Attackers can decrypt sensitive wallet data by brute-forcing the short PIN if they possess the recovered data file.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-36689?

CVE-2021-36689 is a medium-severity vulnerability in n/a, published on 3 Mar 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An issue discovered in com.samourai.wallet.PinEntryActivity.java in Streetside Samourai Wallet 0.99.96i allows attackers to view sensitive information and decrypt data via a brute force attack that uses a recovered samourai.dat file. The PIN is 5 to 8 digits, which may be insufficient in this situation.

Weakness: CWE-521

Which versions are affected by CVE-2021-36689?

It affects 1 product.

Products include Samourai-Wallet-Android Project Samourai-Wallet-Android.

How do I fix CVE-2021-36689?

No fix has been published for CVE-2021-36689 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-36689 being exploited?

There is no known exploitation of CVE-2021-36689 in the wild and no public exploit code.

Sources

Also known as GHSA-j77q-57r3-74g7.

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