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Ubuntu: USN-5038-1 (CVE-2021-3677): PostgreSQL vulnerabilities

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Ubuntu: USN-5038-1 (CVE-2021-3677): PostgreSQL vulnerabilities

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
08/12/2021
Created
08/16/2021
Added
08/14/2021
Modified
08/14/2021

Description

Details for this vulnerability have not been published by NIST at this point. Descriptions from software vendor advisories for this issue are provided below.

From USN-5038-1:

It was discovered that the PostgresQL planner could create incorrect plans in certain circumstances. A remote attacker could use this issue to cause PostgreSQL to crash, resulting in a denial of service, or possibly obtain sensitive information from memory. This issue only affected Ubuntu 20.04 LTS and Ubuntu 21.04. (CVE-2021-3677)

It was discovered that PostgreSQL incorrectly handled certain SSL renegotiation ClientHello messages from clients. A remote attacker could possibly use this issue to cause PostgreSQL to crash, resulting in a denial of service. (CVE-2021-3449)

Solution(s)

  • ubuntu-upgrade-postgresql-10
  • ubuntu-upgrade-postgresql-12
  • ubuntu-upgrade-postgresql-13

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