| Title | PostgreSQL Memory disclosure in certain queries |
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| Description | A purpose-crafted query can read arbitrary bytes of server memory. In the default configuration, any authenticated database user can complete this attack at will. The attack does not require the ability to create objects. If server settings include max_worker_processes=0, the known versions of this attack are infeasible. However, undiscovered variants of the attack may be independent of that setting.
Fixed in PostgreSQL 11.13, 12.8, and 13.4
Component Core-Server, CVSSv3.1 6.5 (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)
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| Source | ⚠️ https://www.postgresql.org/support/security/CVE-2021-3677/ |
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| User | misc (UID 3) |
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| Submission | 09/08/2021 09:22 (5 years ago) |
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| Moderation | 09/08/2021 10:02 (40 minutes later) |
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| Status | Accepted |
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| VulDB entry | 182163 [PostgreSQL up to 11.12/12.7/13.3 Query information disclosure] |
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| Points | 20 |
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