ALPINE-CVE-2023-3341

ALPINE-CVE-2023-3341

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The code that processes control channel messages sent to `named` calls certain functions recursively during packet parsing. Recursion depth is only limited by the maximum accepted packet size; depending on the environment, this may cause the packet-parsing code to run out of available stack memory, causing `named` to terminate unexpectedly. Since each incoming control channel message is fully parsed before its contents are authenticated, exploiting this flaw does not require the attacker to hold a valid RNDC key; only network access to the control channel's configured TCP port is necessary. This issue affects BIND 9 versions 9.2.0 through 9.16.43, 9.18.0 through 9.18.18, 9.19.0 through 9.19.16, 9.9.3-S1 through 9.16.43-S1, and 9.18.0-S1 through 9.18.18-S1.

CVSS 7.5 · Hoch · Korrektur verfügbar

Veröffentlicht

2023-09-20T13:15:11.770Z

Aktualisiert

2026-10-26T17:17:58.625261799Z

Technologie-Stack: system

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