PostgresSQL Memory Disclosure (CVE-2021-3677)

Advisory ID CVE Number Date discovered Severity Advisory revision
STORM-2021-058 CVE-2021-3677 10/01/2021 medium v1

Vulnerability details

A vulnerability has been identified in PostgresSQL.

A local and authenticated attacker can exploit the vulnerability via a specially formed SQL request, to read arbitrary bytes from the server memory.

The vulnerability can be exploited even without creation privileges on the database.

Impacted products

ProductsSeverityDetail
Stormshield Management Center medium A vulnerability has been identified in PostgresSQL

Revisions

Version Date Description
v1  04/10/2021 Initial release

 



Stormshield Management Center

CVSS v3.1 Overall Score: 5.2      

Analysis

Impacted version

A local and authenticated attacker can exploit the vulnerability via a specialy formed SQL request, to read arbitrary bytes from the server memory.

The vulnerability can be exploited even without creation privileges on the database.
  • SMC 3.0.2 and lower

Workaround solution

Solution

There is no workaround solution.

The 3.1.0 update fixes this vulnerability.



Attack Vector Attack Complexity Privileges Required User Interaction Scope Confidentiality Impact Integrity Impact Availability impact
Local Low High None Unchanged Low None None
CVSS Base score: 2.3 CVSS Vector: (AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N)
Exploit Code Maturity Remediation Level Report Confidence
Unproven that exploit exists Official fix Confirmed
CVSS Temporal score: 2 CVSS Vector: (AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C)
Confidentiality Requirement (CR) Integrity Requirement (IR) Availability Requirement (AR)
Medium High High
CVSS Environmental score: 5.2 CVSS Vector: (AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C/CR:M/IR:H/AR:H/MAV:X/MAC:X/MPR:X/MUI:X/MS:X/MC:X/MI:X/MA:X)