Undertow vulnerable to memory exhaustion due to buffer leak
Buffer leak on incoming WebSocket PONG message(s) in Undertow before 2.0.40 and 2.2.10 can lead to memory exhaustion and allow a denial of service.
01
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2021-3690US | high7.5 | — | ||
A flaw was found in Undertow. A buffer leak on the incoming WebSocket PONG message may lead to memory exhaustion. This flaw allows an attacker to cause a denial of service. The hig… | ||||
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references
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/CVE-2021-3690WEB
- https://access.redhat.com/security/cve/cve-2021-3690#cve-cvss-v3WEB
- https://bugzilla.redhat.com/show_bug.cgi?id=1991299WEB
- https://github.com/undertow-io/undertowPACKAGE
- https://github.com/undertow-io/undertow/commit/c7e84a0b7efced38506d7d1dfea5902366973877WEB
- https://issues.redhat.com/browse/UNDERTOW-1935WEB
- https://nvd.nist.gov/vuln/detail/CVE-2021-3690ADVISORY
- https://www.mend.io/vulnerability-database/CVE-2021-3690WEB
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