CVE-2022-21653
Hash collision in typelevel jawn
Vexday Risk Score
13Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 5.9EPSS 0.8%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
05 Jan 2022Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
Jawn is an open source JSON parser. Extenders of the `org.typelevel.jawn.SimpleFacade` and `org.typelevel.jawn.MutableFacade` who don't override `objectContext()` are vulnerable to a hash collision attack which may result in a denial of service. Most applications do not implement these traits directly, but inherit from a library. `jawn-parser-1.3.1` fixes this issue and users are advised to upgrade. For users unable to upgrade override `objectContext()` to use a collision-safe collection.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
typelevel · jawnWant to know if your infrastructure is exposed to this?
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