OpenBSD up to 3.2 Temp File chpass information disclosure

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.9$0-$5k0.00

A vulnerability has been found in OpenBSD up to 3.2 (Operating System) and classified as problematic. Affected by this vulnerability is some unknown functionality of the file chpass of the component Temp File Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality, and integrity. The summary by CVE is:

chpass in OpenBSD 2.0 through 3.2 allows local users to read portions of arbitrary files via a hard link attack on a temporary file used to store user database information.

The weakness was shared 12/31/2003 by Marc Bevand (Website). The advisory is shared at securityfocus.com. This vulnerability is known as CVE-2003-1366 since 10/16/2007. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at X-Force (11233).

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 4.9

VulDB Base Score: 5.1
VulDB Temp Score: 4.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/03/2003 🔍
02/03/2003 +0 days 🔍
12/31/2003 +331 days 🔍
12/31/2003 +0 days 🔍
10/16/2007 +1385 days 🔍
08/28/2014 +2508 days 🔍
06/16/2018 +1388 days 🔍

Sourcesinfo

Advisory: securityfocus.com
Researcher: Marc Bevand
Status: Confirmed

CVE: CVE-2003-1366 (🔍)
X-Force: 11233 - OpenBSD chpass user database information disclosure
SecurityTracker: 1006035
SecurityFocus: 6748

Entryinfo

Created: 08/28/2014 18:01
Updated: 06/16/2018 10:14
Changes: 08/28/2014 18:01 (49), 06/16/2018 10:14 (10)
Complete: 🔍

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