Vulnerability Details : CVE-2021-27376
An issue was discovered in the nb-connect crate before 1.0.3 for Rust. It may have invalid memory access for certain versions of the standard library because it relies on a direct cast of std::net::SocketAddrV4 and std::net::SocketAddrV6 data structures.
Vulnerability category: Overflow
Products affected by CVE-2021-27376
- cpe:2.3:a:nb-connect_project:nb-connect:*:*:*:*:*:rust:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-27376
0.52%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 77 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-27376
| 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-2021-27376
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-27376
-
https://rustsec.org/advisories/RUSTSEC-2021-0021.html
RUSTSEC-2021-0021: nb-connect: `nb-connect` invalidly assumes the memory layout of std::net::SocketAddr › RustSec Advisory DatabaseExploit;Third Party Advisory
Jump to