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Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLXgzcmgtbTd2cC0zNWYy

Operation on a Resource after Expiration or Release in Jetty Server

In Eclipse Jetty, versions 9.4.27.v20200227 to 9.4.29.v20200521, in case of too large response headers, Jetty throws an exception to produce an HTTP 431 error. When this happens, the ByteBuffer containing the HTTP response headers is released back to the ByteBufferPool twice. Because of this double release, two threads can acquire the same ByteBuffer from the pool and while thread1 is about to use the ByteBuffer to write response1 data, thread2 fills the ByteBuffer with response2 data. Thread1 then proceeds to write the buffer that now contains response2 data. This results in client1, which issued request1 and expects responses, to see response2 which could contain sensitive data belonging to client2 (HTTP session ids, authentication credentials, etc.).

Permalink: https://github.com/advisories/GHSA-x3rh-m7vp-35f2
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLXgzcmgtbTd2cC0zNWYy
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Critical
Classification: General
Published: over 4 years ago
Updated: about 2 years ago


CVSS Score: 9.4
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L

EPSS Percentage: 0.01118
EPSS Percentile: 0.84508

Identifiers: GHSA-x3rh-m7vp-35f2, CVE-2019-17638
References: Repository: https://github.com/eclipse/jetty.project
Blast Radius: 42.7

Affected Packages

maven:org.eclipse.jetty:jetty-server
Dependent packages: 3,819
Dependent repositories: 34,580
Downloads:
Affected Version Ranges: >= 9.4.27, <= 9.4.30.v20200610
Fixed in: 9.4.30.v20200611
All affected versions:
All unaffected versions: 10.0.0, 10.0.1, 10.0.2, 10.0.3, 10.0.4, 10.0.5, 10.0.6, 10.0.7, 10.0.8, 10.0.9, 10.0.10, 10.0.11, 10.0.12, 10.0.13, 10.0.14, 10.0.15, 10.0.16, 10.0.17, 10.0.18, 10.0.19, 10.0.20, 10.0.21, 10.0.22, 10.0.23, 10.0.24, 11.0.0, 11.0.1, 11.0.2, 11.0.3, 11.0.4, 11.0.5, 11.0.6, 11.0.7, 11.0.8, 11.0.9, 11.0.10, 11.0.11, 11.0.12, 11.0.13, 11.0.14, 11.0.15, 11.0.16, 11.0.17, 11.0.18, 11.0.19, 11.0.20, 11.0.21, 11.0.22, 11.0.23, 11.0.24, 12.0.0, 12.0.1, 12.0.2, 12.0.3, 12.0.4, 12.0.5, 12.0.6, 12.0.7, 12.0.8, 12.0.9, 12.0.10, 12.0.11, 12.0.12, 12.0.13, 12.0.14, 12.0.15