PostgreSQL up to 9.3.23/9.4.18/9.5.13/9.6.9/10.4 Statement improper authorization

CVSS Meta Temp Score
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CTI Interest Score
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7.1$0-$5k0.00

A vulnerability, which was classified as critical, has been found in PostgreSQL up to 9.3.23/9.4.18/9.5.13/9.6.9/10.4 (Database Software). Affected by this issue is some unknown processing of the component Statement Handler. The manipulation with the input value INSERT ... ON CONFLICT DO UPDATE leads to a improper authorization vulnerability. Using CWE to declare the problem leads to CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. Impacted is confidentiality, integrity, and availability. CVE summarizes:

It was discovered that PostgreSQL versions before 10.5, 9.6.10, 9.5.14, 9.4.19, and 9.3.24 failed to properly check authorization on certain statements involved with "INSERT ... ON CONFLICT DO UPDATE". An attacker with "CREATE TABLE" privileges could exploit this to read arbitrary bytes server memory. If the attacker also had certain "INSERT" and limited "UPDATE" privileges to a particular table, they could exploit this to update other columns in the same table.

The bug was discovered 08/09/2018. The weakness was shared 08/09/2018 by Andrew as confirmed bug report (Bugzilla). The advisory is shared for download at bugzilla.redhat.com. This vulnerability is handled as CVE-2018-10925 since 05/09/2018. The attack may be launched remotely. Required for exploitation is a simple authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1548.002.

The vulnerability scanner Nessus provides a plugin with the ID 111653 (Debian DSA-4269-1 : postgresql-9.6 - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 171675 (SUSE Enterprise Linux Security Update for postgresql96 (SUSE-SU-2018:3377-1)).

Upgrading to version 9.3.24, 9.4.19, 9.5.14, 9.6.10 or 10.5 eliminates this vulnerability. A possible mitigation has been published 2 days after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (111653). The entry 122743 is related to this item.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.1

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CNA Base Score: 7.1
CNA Vector (Red Hat, Inc.): 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authorization
CWE: CWE-285 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 111653
Nessus Name: Debian DSA-4269-1 : postgresql-9.6 - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: PostgreSQL 9.3.24/9.4.19/9.5.14/9.6.10/10.5

Timelineinfo

05/09/2018 🔍
08/09/2018 +92 days 🔍
08/09/2018 +0 days 🔍
08/09/2018 +0 days 🔍
08/09/2018 +0 days 🔍
08/10/2018 +1 days 🔍
08/10/2018 +0 days 🔍
08/13/2018 +3 days 🔍
05/01/2023 +1722 days 🔍

Sourcesinfo

Product: postgresql.org

Advisory: RHSA-2018:2511
Researcher: Andrew
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-10925 (🔍)
OVAL: 🔍

SecurityTracker: 1041446
SecurityFocus: 105052 - PostgreSQL CVE-2018-10925 Information Disclosure Vulnerability

See also: 🔍

Entryinfo

Created: 08/10/2018 07:23
Updated: 05/01/2023 11:05
Changes: 08/10/2018 07:23 (78), 03/14/2020 10:14 (5), 05/01/2023 10:58 (5), 05/01/2023 11:05 (11)
Complete: 🔍
Cache ID: 52:6CC:103

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