Denial of Service Vulnerability in rustls Crate by Rust
CVE-2019-15541

7.5HIGH

Key Information:

Vendor

Rustls Project

Status
Rustls
Vendor
CVE Published:
26 August 2019

What is CVE-2019-15541?

The rustls crate prior to version 0.16.0 for Rust contains a vulnerability that can lead to a denial of service. By leveraging the way connections are handled, an attacker can trigger a situation where a client remains in a non-writable state. This results in a loop of connection events, hindering normal operation and effectively rendering the service inaccessible.

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References

https://github.com/ctz/rustls/compare/cd66549...17ee52c
x_refsource_MISC
https://github.com/ctz/rustls/commit/a93ee1abd2ab19ebe4bf...
x_refsource_MISC
https://github.com/ctz/rustls/issues/285
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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