Vulnerability Details : CVE-2018-20994
An issue was discovered in the trust-dns-proto crate before 0.5.0-alpha.3 for Rust. There is infinite recursion because DNS message compression is mishandled.
Products affected by CVE-2018-20994
- cpe:2.3:a:trust-dns-proto_project:trust-dns-proto:*:*:*:*:*:*:*:*
- cpe:2.3:a:trust-dns-proto_project:trust-dns-proto:0.5.0:alpha.1:*:*:*:*:*:*
- cpe:2.3:a:trust-dns-proto_project:trust-dns-proto:0.5.0:alpha.2:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-20994
0.33%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 53 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-20994
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2018-20994
-
The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-20994
-
https://rustsec.org/advisories/RUSTSEC-2018-0007.html
RUSTSEC-2018-0007: trust-dns-proto: Stack overflow when parsing malicious DNS packet › RustSec Advisory DatabaseThird Party Advisory
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