SARA / Free Tools / CVE / CVE-2019-17638

CVE-2019-17638 — In Eclipse Jetty, versions 9

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. Bec

CVSS
— —
EPSS
30.93% (top 3.30%)
CWE
CWE-672, CWE-675
Published
2020-07-09T18:10:12.000Z
Last modified
2024-08-05T01:47:13.630Z
CVSS vector
—

01What is this vulnerability?

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…

02Affected products

VendorProductVersions
The Eclipse FoundationEclipse Jetty9.4.27.v20200227 to 9.4.29.v20200521

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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