Vulnerability Name:

CVE-2023-2455 (CCN-256218)

Assigned:2023-05-01
Published:2023-05-01
Updated:2023-07-06
Summary:PostgreSQL could allow a local authenticated attacker to bypass security restrictions, caused by a flaw with row security policies disregard user ID changes after inlining. By sending a specially crafted request, an attacker could exploit this vulnerability to allow incorrect policies to be applied.
CVSS v3 Severity:5.4 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N)
4.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
7.1 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N)
6.2 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): None
CVSS v2 Severity:6.2 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): None
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2023-2455

Source: secalert@redhat.com
Type: Third Party Advisory
secalert@redhat.com

Source: XF
Type: UNKNOWN
postgresql-cve20232455-sec-bypass(256218)

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: CCN
Type: Mend Vulnerability Database
CVE-2023-2455

Source: CCN
Type: PostgreSQL Web site
PostgreSQL 15.3, 14.8, 13.11, 12.15, and 11.20 Released!

Source: secalert@redhat.com
Type: Vendor Advisory
secalert@redhat.com

Oval Definitions
Definition IDClassTitleLast Modified
oval:org.opensuse.security:def:7649
P
libpq5-15.3-150200.5.9.1 on GA media (Moderate)
2023-06-12
oval:org.opensuse.security:def:8089
P
postgresql14-14.8-150200.5.26.1 on GA media (Moderate)
2023-06-12
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