Io.vertx/vertx-core: memory leak due to the use of netty fastthreadlocal data structures in vertx
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 4.5.2, 4.4.7
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
- Exploitation: poc
- Automatable: no
- Technical impact: partial
Summary
A vulnerability in the Eclipse Vert.x toolkit results in a memory leak due to using Netty FastThreadLocal data structures. Specifically, when the Vert.x HTTP client establishes connections to different hosts, triggering the memory leak. The leak can be accelerated with intimate runtime knowledge, allowing an attacker to exploit this vulnerability. For instance, a server accepting arbitrary internet addresses could serve as an attack vector by connecting to these addresses, thereby accelerating the memory leak.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: poc · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- vertx-core
4.4.5, 4.4.6, 4.5.0, 4.5.1
- vert.x
Version range not reported
- cryostat-tech-preview/cryostat-grafana-dashboard-rhel8
Version range not reported
- cryostat-tech-preview/cryostat-operator-bundle
Version range not reported
- cryostat-tech-preview/cryostat-reports-rhel8
Version range not reported
- cryostat-tech-preview/cryostat-rhel8
Version range not reported
- cryostat-tech-preview/cryostat-rhel8-operator
Version range not reported
- cryostat-tech-preview/jfr-datasource-rhel8
Version range not reported
- mta/mta-windup-addon-rhel9
Version range not reported
- vert.x
Version range not reported
- vert.x
Version range not reported
- io.vertx/vertx-core
Version range not reported
- vert.x
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- vert.x
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- vert.x
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- vert.x
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- vert.x
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- vert.x
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- vert.x
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- vert.x
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- vert.x
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- vertx-core
Version range not reported
- vert.x
Version range not reported
- vert.x
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- vert.x
Version range not reported
- vert.x
Version range not reported
- vert.x
Version range not reported
- vert.x
Version range not reported
- vert.x
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- vert.x
Version range not reported
- vert.x
Version range not reported
- io.vertx:vertx-coreMaven
From 4.5.0 · fixed in 4.5.2
- io.vertx:vertx-coreMaven
From 4.4.5 · fixed in 4.4.7