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PostgreSQL: CVE-2023-5869: Buffer overrun from integer overflow in array modification

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PostgreSQL: CVE-2023-5869: Buffer overrun from integer overflow in array modification

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
11/13/2023
Created
11/14/2023
Added
11/13/2023
Modified
12/19/2023

Description

A flaw was found in PostgreSQL that allows authenticated database users to execute arbitrary code through missing overflow checks during SQL array value modification. This issue exists due to an integer overflow during array modification where a remote user can trigger the overflow by providing specially crafted data. This enables the execution of arbitrary code on the target system, allowing users to write arbitrary bytes to memory and extensively read the server's memory.

Solution(s)

  • postgres-upgrade-12_17
  • postgres-upgrade-13_13
  • postgres-upgrade-14_10
  • postgres-upgrade-15_5
  • postgres-upgrade-16_1

References

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