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Alpine Linux: CVE-2023-3341: Out-of-bounds Write

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Alpine Linux: CVE-2023-3341: Out-of-bounds Write

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
09/20/2023
Created
04/09/2024
Added
03/26/2024
Modified
10/02/2024

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)

  • alpine-linux-upgrade-bind

References

  • https://attackerkb.com/topics/cve-2023-3341
  • CVE - 2023-3341
  • https://security.alpinelinux.org/vuln/CVE-2023-3341
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