CVE-2013-7463 Aescrypt does not sufficiently use random values
The aescrypt gem fails to randomize initialization vectors, allowing attackers to defeat cryptographic protections via chosen plaintext attacks.
- 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-2013-7463?
CVE-2013-7463 is a high-severity vulnerability in n/a, published on 19 Apr 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The aescrypt gem 1.0.0 for Ruby does not randomize the CBC IV for use with the AESCrypt.encrypt and AESCrypt.decrypt functions, which allows attackers to defeat cryptographic protection mechanisms via a chosen plaintext attack.
Weakness: CWE-330
Which versions are affected by CVE-2013-7463?
2 open source packages ship an affected version, including aescrypt. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
aescrypt RubyGems | All versions to 1.0.0 | None |
aescrypt RubyGems | All versions to 1.0.0 | None |
Products include Aescrypt Project Aescrypt.
How do I fix CVE-2013-7463?
No fix has been published for CVE-2013-7463 yet. Limit exposure of the affected software until one is available.
Is CVE-2013-7463 being exploited?
There is no known exploitation of CVE-2013-7463 in the wild and no public exploit code.
Sources
Also known as GHSA-4c4w-3q45-hp9j.