PostgreSQL Mem Disclosure via Unknown-Type Aggregate Calls
CVE-2023-5868 Published on December 10, 2023

Postgresql: memory disclosure in aggregate function calls
A memory disclosure vulnerability was found in PostgreSQL that allows remote users to access sensitive information by exploiting certain aggregate function calls with 'unknown'-type arguments. Handling 'unknown'-type values from string literals without type designation can disclose bytes, potentially revealing notable and confidential information. This issue exists due to excessive data output in aggregate function calls, enabling remote users to read some portion of system memory.

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Vulnerability Analysis

CVE-2023-5868 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
LOW
Integrity Impact:
NONE
Availability Impact:
NONE

Timeline

Reported to Red Hat.

Made public. 9 days later.

Weakness Type

Function Call With Incorrect Argument Type

The software calls a function, procedure, or routine, but the caller specifies an argument that is the wrong data type, which may lead to resultant weaknesses. This weakness is most likely to occur in loosely typed languages, or in strongly typed languages in which the types of variable arguments cannot be enforced at compilation time, or where there is implicit casting.


Products Associated with CVE-2023-5868

You can be notified by email with stack.watch whenever vulnerabilities like CVE-2023-5868 are published in these products:

Canonical Ubuntu Linux
 
PostgreSQL
 
Red Hat Software Collections
 
Red Hat Enterprise Linux (RHEL)
 
Red Hat Enterprise Linux Server Tus
 
Red Hat Enterprise Linux Server Aus
 
Red Hat Enterprise Linux Eus
 
Red Hat Enterprise Linux For Arm 64
 
Red Hat Enterprise Linux Power Little Endian Eus
 
Red Hat Codeready Linux Builder Arm64 Eus
 
Red Hat Codeready Linux Builder Ibm Z Systems Eus
 
Red Hat Codeready Linux Builder Eus Power Little Endian Eus
 
Red Hat Codeready Linux Builder Eus
 
Red Hat Enterprise Linux Power Little Endian
 
Red Hat Enterprise Linux Ibm Z Systems Eus
 
Red Hat Enterprise Linux Ibm Z Systems
 
Red Hat Codeready Linux Builder Power Little Endian Eus
 
Red Hat Advanced Cluster Security
 
Red Hat Rhel Tus
 
Red Hat Rhel Aus
 
Red Hat Rhel E4s
 
Red Hat Rhel Eus
 
Red Hat Rhel Software Collections
 

Affected Versions

Red Hat Advanced Cluster Security 4.2: Red Hat Advanced Cluster Security 4.2: Red Hat Advanced Cluster Security 4.2: Red Hat Advanced Cluster Security 4.2: Red Hat Advanced Cluster Security 4.2: Red Hat Enterprise Linux 8: Red Hat Enterprise Linux 8: Red Hat Enterprise Linux 8: Red Hat Enterprise Linux 8.2 Advanced Update Support: Red Hat Enterprise Linux 8.2 Telecommunications Update Service: Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions: Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support: Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support: Red Hat Enterprise Linux 8.4 Telecommunications Update Service: Red Hat Enterprise Linux 8.4 Telecommunications Update Service: Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions: Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions: Red Hat Enterprise Linux 8.6 Extended Update Support: Red Hat Enterprise Linux 8.6 Extended Update Support: Red Hat Enterprise Linux 8.8 Extended Update Support: Red Hat Enterprise Linux 8.8 Extended Update Support: Red Hat Enterprise Linux 8.8 Extended Update Support: Red Hat Enterprise Linux 9: Red Hat Enterprise Linux 9: Red Hat Enterprise Linux 9.0 Extended Update Support: Red Hat Enterprise Linux 9.2 Extended Update Support: Red Hat Enterprise Linux 9.2 Extended Update Support: Red Hat Software Collections for Red Hat Enterprise Linux 7: Red Hat Software Collections for Red Hat Enterprise Linux 7: Red Hat RHACS-3.74-RHEL-8: Red Hat RHACS-3.74-RHEL-8: Red Hat RHACS-3.74-RHEL-8: Red Hat RHACS-3.74-RHEL-8: Red Hat RHACS-3.74-RHEL-8: Red Hat RHACS-4.1-RHEL-8: Red Hat RHACS-4.1-RHEL-8: Red Hat RHACS-4.1-RHEL-8: Red Hat RHACS-4.1-RHEL-8: Red Hat RHACS-4.1-RHEL-8: Red Hat Enterprise Linux 6: Red Hat Enterprise Linux 7: Red Hat Enterprise Linux 8: Red Hat Enterprise Linux 8: Red Hat Enterprise Linux 9: Red Hat Software Collections:

Exploit Probability

EPSS
2.79%
Percentile
85.79%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.