Vulnerability Details : CVE-2019-15541
Potential exploit
rustls-mio/examples/tlsserver.rs in the rustls crate before 0.16.0 for Rust allows attackers to cause a denial of service (loop of conn_event and ready) by arranging for a client to never be writable.
Vulnerability category: Denial of service
Products affected by CVE-2019-15541
- cpe:2.3:a:rustls_project:rustls:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-15541
0.48%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 62 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-15541
| 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-2019-15541
-
The product constructs a string for a command to be executed by a separate component in another control sphere, but it does not properly delimit the intended arguments, options, or switches within that command string.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-15541
-
https://github.com/ctz/rustls/commit/a93ee1abd2ab19ebe4bf9d684d56637ee54a6074
tlsserver: fix loop when client will never be writable · ctz/rustls@a93ee1a · GitHubPatch;Third Party Advisory
-
https://github.com/ctz/rustls/compare/cd66549...17ee52c
Comparing cd66549...17ee52c · ctz/rustls · GitHubRelease Notes;Third Party Advisory
-
https://github.com/ctz/rustls/issues/285
bug in rustls-mio · Issue #285 · ctz/rustls · GitHubExploit;Issue Tracking;Third Party Advisory
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