Vulnerability Details : CVE-2013-7463
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.
Products affected by CVE-2013-7463
- cpe:2.3:a:aescrypt_project:aescrypt:*:*:*:*:*:ruby:*:*
Exploit prediction scoring system (EPSS) score for CVE-2013-7463
0.30%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 50 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2013-7463
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2013-7463
-
The product uses insufficiently random numbers or values in a security context that depends on unpredictable numbers.Assigned by: nvd@nist.gov (Primary)
References for CVE-2013-7463
-
http://www.securityfocus.com/bid/98035
aescrypt gem CVE-2013-7463 Multiple Security Bypass Vulnerabilities
-
https://github.com/Gurpartap/aescrypt/issues/4
Please use IV for CBC mode · Issue #4 · Gurpartap/aescrypt · GitHubThird Party Advisory
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