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medium advisory

Eclipse Jetty: Denial of Service vulnerability

Eclipse Jetty is susceptible to a denial-of-service (DoS) vulnerability that can be exploited by a remote, unauthenticated attacker.

Triage facts

Revision 1
Applicability
Eclipse Jetty
Evidence
Unknown
Severity
Medium
Action
Elevated
Sources
1 public source
Freshness
Revision 1Oct 26, 19:12 UTC
Source quality
A1Roughly even chance

A vulnerability in Eclipse Jetty allows a remote, unauthenticated attacker to trigger a denial-of-service condition. Specific technical details regarding the root cause or the nature of the malformed request are not disclosed in the current advisory.

Impact

Successful exploitation allows an unauthenticated remote attacker to disrupt the availability of the affected service.

Recommendation

  • Inventory all environments running Eclipse Jetty to identify exposure.
  • Monitor the Eclipse Foundation security advisories for patch availability and version release notes.
  • Implement rate limiting and load balancing at the network perimeter to mitigate the impact of potential DoS traffic until patches are applied.

Immediate actions

Identify all instances of Eclipse Jetty in the environment.

IT Operations 24h

Threat Hunt

Monitor for high volumes of malformed or anomalous HTTP requests directed at application entry points.

T1498 medium medium confidence monitor or close

Data: Web server access logs, Firewall or WAF request logs

Mitigations

Apply security patches or updates as released by the Eclipse Foundation.

short_term IT Operations

Eclipse Jetty