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 (≈)
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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.
4.6$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in OpenBSD up to 3.2. This issue affects some unknown processing of the file chpass of the component Temp File Handler. This manipulation causes information disclosure. The identification of this vulnerability is CVE-2003-1366. Furthermore, there is an exploit available. It is suggested to install a patch to address this issue.

Detailsinfo

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 and also a public exploit are known. MITRE ATT&CK project uses the attack technique T1592 for this issue.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the databases at X-Force (11233), Exploit-DB (22210), SecurityFocus (BID 6748†) and SecurityTracker (ID 1006035†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.1
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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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: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

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 🔍
12/23/2024 +3770 days 🔍

Sourcesinfo

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

CVE: CVE-2003-1366 (🔍)
GCVE (CVE): GCVE-0-2003-1366
GCVE (VulDB): GCVE-100-21289
X-Force: 11233 - OpenBSD chpass user database information disclosure
SecurityFocus: 6748
SecurityTracker: 1006035

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 08/28/2014 18:01
Updated: 12/23/2024 16:17
Changes: 08/28/2014 18:01 (49), 06/16/2018 10:14 (10), 12/23/2024 16:17 (25)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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