OpenBSD yp_passwd printf format string

CVSS Meta Temp Score
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CTI Interest Score
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8.0$0-$5k0.00

A vulnerability was found in OpenBSD (Operating System) (affected version unknown). It has been classified as critical. Affected is the function printf of the file yp_passwd. The manipulation with an unknown input leads to a format string vulnerability. CWE is classifying the issue as CWE-134. The product uses a function that accepts a format string as an argument, but the format string originates from an external source. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Format string vulnerability in OpenBSD yp_passwd program (and possibly other BSD-based operating systems) allows attackers to gain root privileges a malformed name.

The weakness was released 10/04/2000 as not defined patch (Website). The advisory is available at ftp.openbsd.org. This vulnerability is traded as CVE-2000-0995. The exploitability is told to be easy. Local access is required to approach this attack. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at ftp.openbsd.org.

The vulnerability is also documented in the vulnerability database at X-Force (5635). Entries connected to this vulnerability are available at 16020 and 16207.

Productinfo

Type

Name

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: 8.4
VulDB Meta Temp Score: 8.0

VulDB Base Score: 8.4
VulDB Temp Score: 8.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Format string
CWE: CWE-134 / CWE-119
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: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: ftp.openbsd.org

Timelineinfo

10/04/2000 🔍
12/19/2000 +76 days 🔍
04/09/2004 +1206 days 🔍
07/02/2014 +3736 days 🔍
04/06/2019 +1739 days 🔍

Sourcesinfo

Advisory: ftp.openbsd.org
Status: Not defined

CVE: CVE-2000-0995 (🔍)
X-Force: 5635 - BSD systems yp_passwd format string
OSVDB: 6125 - OpenBSD yp_passwd Malformed Name Format String

See also: 🔍

Entryinfo

Created: 07/02/2014 11:28
Updated: 04/06/2019 15:03
Changes: 07/02/2014 11:28 (44), 04/06/2019 15:03 (12)
Complete: 🔍

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