FreeBSD/OpenBSD Block Device privileges management

CVSS Meta Temp Score
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CTI Interest Score
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4.9$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in FreeBSD and OpenBSD. Impacted is an unknown function of the component Block Device Handler. Such manipulation leads to privileges management. This vulnerability is documented as CVE-1999-0703. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in FreeBSD and OpenBSD (Operating System) (version unknown) and classified as problematic. Affected by this issue is an unknown function of the component Block Device Handler. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is integrity, and availability. CVE summarizes:

OpenBSD, BSDI, and other Unix operating systems allow users to set chflags and fchflags on character and block devices.

The weakness was released 08/03/1999 as not defined advisory (CIAC). The advisory is shared for download at ciac.org. This vulnerability is handled as CVE-1999-0703. The exploitation is known to be easy. The attack needs to be approached locally. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (3344) and Vulnerability Center (SBV-23373†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

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: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/30/1999 🔍
08/03/1999 +4 days 🔍
08/03/1999 +0 days 🔍
09/02/2009 +3683 days 🔍
06/21/2014 +1753 days 🔍
04/19/2026 +4320 days 🔍

Sourcesinfo

Product: freebsd.org

Advisory: ciac.org
Status: Confirmed

CVE: CVE-1999-0703 (🔍)
GCVE (CVE): GCVE-0-1999-0703
GCVE (VulDB): GCVE-100-14756
X-Force: 3344
Vulnerability Center: 23373 - FreeBSD and OpenBSD Chflags and Fchflags Devices Blocking Vulnerability, Low

Entryinfo

Created: 06/21/2014 18:00
Updated: 04/19/2026 09:47
Changes: 06/21/2014 18:00 (47), 02/13/2017 12:34 (6), 04/19/2026 09:47 (18)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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