Vulnerability Details : CVE-2020-35926
An issue was discovered in the nanorand crate before 0.5.1 for Rust. It caused any random number generator (even ChaCha) to return all zeroes because integer truncation was mishandled.
Products affected by CVE-2020-35926
- cpe:2.3:a:nanorand_project:nanorand:*:*:*:*:*:rust:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-35926
0.43%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 60 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-35926
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2020-35926
-
The product uses insufficiently random numbers or values in a security context that depends on unpredictable numbers.Assigned by: nvd@nist.gov (Primary)
-
When converting from one data type to another, such as long to integer, data can be omitted or translated in a way that produces unexpected values. If the resulting values are used in a sensitive context, then dangerous behaviors may occur.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-35926
-
https://rustsec.org/advisories/RUSTSEC-2020-0089.html
RUSTSEC-2020-0089: nanorand: nanorand 0.5.0 - RNGs failed to generate properly for non-64-bit numbers › RustSec Advisory DatabaseThird Party Advisory
Jump to