libpq up to 10.5 PostgreSQL Client Library PQescape Parameter input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability was found in libpq up to 10.5. It has been classified as critical. Impacted is the function PQescape of the component PostgreSQL Client Library. This manipulation as part of Parameter causes input validation. This vulnerability appears as CVE-2018-10915. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical was found in libpq up to 10.5. Affected by this vulnerability is the function PQescape of the component PostgreSQL Client Library. The manipulation as part of a Parameter leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability was found in libpq, the default PostgreSQL client library where libpq failed to properly reset its internal state between connections. If an affected version of libpq was used with "host" or "hostaddr" connection parameters from untrusted input, attackers could bypass client-side connection security features, obtain access to higher privileged connections or potentially cause other impact through SQL injection, by causing the PQescape() functions to malfunction. Postgresql versions before 10.5, 9.6.10, 9.5.14, 9.4.19, and 9.3.24 are affected.

The bug was discovered 08/09/2018. The weakness was presented 08/09/2018 by Andrew as confirmed bug report (Bugzilla). It is possible to read the advisory at bugzilla.redhat.com. This vulnerability is known as CVE-2018-10915 since 05/09/2018. The attack can be launched remotely. The requirement for exploitation is a single authentication. Technical details of the vulnerability are known, but there is no available exploit.

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 eliminates this vulnerability. A possible mitigation has been published 2 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (111653) and SecurityFocus (BID 105054†). See VDB-122744 for similar entry. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 8.5
CNA Vector (Red Hat, Inc.): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
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: 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: 🔍

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

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

CVE: CVE-2018-10915 (🔍)
GCVE (CVE): GCVE-0-2018-10915
GCVE (VulDB): GCVE-100-122743

OVAL: 🔍

SecurityFocus: 105054 - PostgreSQL CVE-2018-10915 Security Bypass Vulnerability
SecurityTracker: 1041446

See also: 🔍

Entryinfo

Created: 08/10/2018 07:22
Updated: 05/01/2023 10:53
Changes: 08/10/2018 07:22 (77), 03/14/2020 10:07 (6), 05/01/2023 10:48 (5), 05/01/2023 10:53 (12)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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