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IBM AIX: bind_advisory25 (CVE-2023-3341): Vulnerability in bind affects AIX

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IBM AIX: bind_advisory25 (CVE-2023-3341): Vulnerability in bind affects AIX

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
09/20/2023
Created
12/20/2023
Added
12/19/2023
Modified
01/30/2025

Description

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.

Solution(s)

  • ibm-aix-bind_advisory25

References

  • https://attackerkb.com/topics/cve-2023-3341
  • CVE - 2023-3341
  • https://aix.software.ibm.com/aix/efixes/security/bind_advisory25.asc
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