PostgreSQL up to 9.6.3 libpg improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in PostgreSQL up to 9.2.21/9.3.17/9.4.12/9.5.7/9.6.3. This impacts an unknown function of the component libpg. Performing a manipulation results in improper authentication. This vulnerability is cataloged as CVE-2017-7546. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in PostgreSQL up to 9.2.21/9.3.17/9.4.12/9.5.7/9.6.3 (Database Software). It has been classified as critical. This affects some unknown processing of the component libpg. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

PostgreSQL versions before 9.2.22, 9.3.18, 9.4.13, 9.5.8 and 9.6.4 are vulnerable to incorrect authentication flaw allowing remote attackers to gain access to database accounts with an empty password.

The bug was discovered 08/10/2017. The weakness was shared 08/10/2017 by Jeroen as 2017-08-10 Security Update Release as confirmed news (Website). It is possible to read the advisory at postgresql.org. This vulnerability is uniquely identified as CVE-2017-7546 since 04/05/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 102368 (Debian DLA-1051-1 : postgresql-9.1 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 351073 (Amazon Linux Security Advisory for postgresql94,postgresql95: ALAS-2017-885).

Upgrading to version 9.2.22, 9.3.18, 9.4.13, 9.5.8 or 9.6.4 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (102368), SecurityFocus (BID 100278†) and SecurityTracker (ID 1039142†). The entries VDB-105280 and VDB-105281 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 102368
Nessus Name: Debian DLA-1051-1 : postgresql-9.1 security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 53676
OpenVAS Name: Debian Security Advisory DSA 3936-1 (postgresql-9.6 - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

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 9.2.22/9.3.18/9.4.13/9.5.8/9.6.4

Timelineinfo

04/05/2017 🔍
08/10/2017 +127 days 🔍
08/10/2017 +0 days 🔍
08/10/2017 +0 days 🔍
08/10/2017 +0 days 🔍
08/11/2017 +1 days 🔍
08/11/2017 +0 days 🔍
08/13/2017 +2 days 🔍
08/16/2017 +3 days 🔍
01/09/2021 +1242 days 🔍

Sourcesinfo

Product: postgresql.org

Advisory: 2017-08-10 Security Update Release
Researcher: Ben de Graaff, Jelte Fennema, Jeroen van der Ham (Jeroen)
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-7546 (🔍)
GCVE (CVE): GCVE-0-2017-7546
GCVE (VulDB): GCVE-100-105279

OVAL: 🔍

SecurityFocus: 100278 - PostgreSQL CVE-2017-7546 Authentication Bypass Vulnerability
SecurityTracker: 1039142

See also: 🔍

Entryinfo

Created: 08/13/2017 19:23
Updated: 01/09/2021 11:14
Changes: 08/13/2017 19:23 (82), 11/06/2019 17:32 (5), 01/09/2021 11:14 (2)
Complete: 🔍
Cache ID: 216::103

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