Vulnerability Details : CVE-2021-26305
An issue was discovered in Deserializer::read_vec in the cdr crate before 0.2.4 for Rust. A user-provided Read implementation can gain access to the old contents of newly allocated heap memory, violating soundness.
Products affected by CVE-2021-26305
- cpe:2.3:a:cdr_project:cdr:*:*:*:*:*:rust:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-26305
0.55%
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-2021-26305
| 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-2021-26305
-
The product uses or accesses a resource that has not been initialized.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-26305
-
https://rustsec.org/advisories/RUSTSEC-2021-0012.html
RUSTSEC-2021-0012: cdr: Reading uninitialized memory can cause UB (`Deserializer::read_vec`) › RustSec Advisory DatabaseExploit;Vendor Advisory
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