CVE-2019-17638Not scoredCWE-672

CVE-2019-17638: The Eclipse Foundation Eclipse Jetty vulnerability

Vendor fix available · Affected: The Eclipse Foundation Eclipse Jetty · Exploitation: likely to be exploited (10% or more)

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

11.1%probability of exploitation in the next 30 days

96th percentile

050100

Higher than 96% of scored CVEs

Not scored yet. The CVE record carries no CVSS score.

DescriptionCVE.org

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 other data. Thread1 then proceeds to write the buffer that now contains different data. This results in client1, which issued request1 seeing data from another request or response which could contain sensitive data belonging to client2 (HTTP session ids, authentication credentials, etc.). If the Jetty version cannot be upgraded, the vulnerability can be significantly reduced by configuring a responseHeaderSize significantly larger than the requestHeaderSize (12KB responseHeaderSize and 8KB requestHeaderSize).

Affected products1

From the CVE record. A product or version that is not listed is unknown, not unaffected.

The Eclipse Foundation · Eclipse Jetty9.4.27.v20200227 to 9.4.29.v20200521

On the Atlas

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Open the Atlas

Exploitation: Likely to be exploited (10% or more). EPSS gives it a 10% or higher chance of exploitation in the next 30 days.
CISA KEV: Not listed
Public check: No public nuclei template
Weakness: Operation on a Resource after Expiration or Release · Other weaknesses
Vendor: The Eclipse Foundation
Published: July 2020
Band: Likely to be exploited (10% or more), July 2020

CoverageNo articles yet

No CyberSIXT article names CVE-2019-17638 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.

References

5 more references are in the CVE record.