CVE-2023-48056 PyPinkSign uses a non-random or static IV for Cipher Block Chaining (CBC) mode in AES encryption

High 7.5 Published Updated

PyPinkSign uses static IVs in AES-CBC, allowing attackers to potentially decrypt communications and disclose sensitive information.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2023-48056?

CVE-2023-48056 is a high-severity vulnerability in n/a, published on 16 Nov 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

PyPinkSign v0.5.1 uses a non-random or static IV for Cipher Block Chaining (CBC) mode in AES encryption. This vulnerability can lead to the disclosure of information and communications.

Weakness: CWE-330

Which versions are affected by CVE-2023-48056?

3 open source packages ship an affected version, including pypinksign. It affects 1 product.

PackageAffectedFixed in
pypinksign PyPIAll versionsNone
pypinksign PyPIAll versions to 0.5.1None
pypinksign PyPIAll versions to 0.5.1None

Products include Bandoche Pypinksign.

How do I fix CVE-2023-48056?

No fix has been published for CVE-2023-48056 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-48056 being exploited?

There is no known exploitation of CVE-2023-48056 in the wild and no public exploit code.

Sources

Also known as GHSA-fxff-wxxv-c2jc, PYSEC-2023-245.

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