PostgreSQL up to 9.3.3 chkpass.c crypt input validation

CVSS Meta Temp Score
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CTI Interest Score
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4.6$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in PostgreSQL up to 9.3.3. Affected is the function crypt of the file contrib/chkpass/chkpass.c. Executing a manipulation can lead to input validation. The identification of this vulnerability is CVE-2014-0066. There is no exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability classified as problematic was found in PostgreSQL up to 9.3.3 (Database Software). This vulnerability affects the function crypt of the file contrib/chkpass/chkpass.c. The manipulation with an unknown input 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 availability. CVE summarizes:

The chkpass extension in PostgreSQL before 8.4.20, 9.0.x before 9.0.16, 9.1.x before 9.1.12, 9.2.x before 9.2.7, and 9.3.x before 9.3.3 does not properly check the return value of the crypt library function, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and crash) via unspecified vectors.

The weakness was shared 02/25/2014 by Bruce Momjian as Prevent potential overruns of fixed-size buffers as confirmed git commit (GIT Repository). The advisory is shared for download at github.com. This vulnerability was named CVE-2014-0066 since 12/03/2013. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 73059 (Amazon Linux AMI : postgresql8 (ALAS-2014-305)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350780 (Amazon Linux Security Advisory for postgresql8: AL2012-2015-051).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the databases at X-Force (91458), Tenable (73059), SecurityFocus (BID 65728†) and Vulnerability Center (SBV-46171†). The entries VDB-12397, VDB-12398, VDB-12400 and VDB-12401 are related to this item. Once again VulDB remains the best 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: 5.3
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

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: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 73059
Nessus Name: Amazon Linux AMI : postgresql8 (ALAS-2014-305)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 702864
OpenVAS Name: Debian Security Advisory DSA 2864-1 (postgresql-8.4 - several vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

12/03/2013 🔍
02/17/2014 +76 days 🔍
02/17/2014 +0 days 🔍
02/25/2014 +8 days 🔍
03/06/2014 +9 days 🔍
03/31/2014 +25 days 🔍
09/18/2014 +171 days 🔍
05/09/2026 +4251 days 🔍

Sourcesinfo

Product: postgresql.org

Advisory: Prevent potential overruns of fixed-size buffers
Researcher: Bruce Momjian
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-0066 (🔍)
GCVE (CVE): GCVE-0-2014-0066
GCVE (VulDB): GCVE-100-12484

OVAL: 🔍
IAVM: 🔍

X-Force: 91458 - PostgreSQL chkpass extension denial of service, Medium Risk
SecurityFocus: 65728 - PostgreSQL CVE-2014-0066 Remote Denial Of Service Vulnerability
Vulnerability Center: 46171 - PostgreSQL Remote DoS Vulnerability via Unspecified Vectors - CVE-2014-0066, Medium

See also: 🔍

Entryinfo

Created: 03/06/2014 12:08
Updated: 05/09/2026 07:40
Changes: 03/06/2014 12:08 (78), 06/06/2017 08:35 (5), 06/15/2021 09:13 (3), 05/09/2026 07:40 (15)
Complete: 🔍
Committer: olku
Cache ID: 216::103

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