CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
8.0 | $0-$5k | 0.00 |
A vulnerability was found in OpenBSD (Operating System) (affected version not known). It has been declared as critical. Affected by this vulnerability is some unknown functionality of the file su. The manipulation with an unknown input leads to a format string vulnerability. The CWE definition for the vulnerability is CWE-134. The product uses a function that accepts a format string as an argument, but the format string originates from an external source. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
Format string vulnerability in OpenBSD su program (and possibly other BSD-based operating systems) allows local attackers to gain root privileges via a malformed shell.
The weakness was disclosed 10/04/2000 as not defined patch (Website). It is possible to read the advisory at ftp.openbsd.org. This vulnerability is known as CVE-2000-0996. The exploitation appears to be easy. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. Technical details of the vulnerability 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 (5636). The entries 16020 and 16206 are pretty similar.
Product
Type
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.4VulDB Meta Temp Score: 8.0
VulDB Base Score: 8.4
VulDB Temp Score: 8.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Format stringCWE: CWE-134 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: ftp.openbsd.org
Timeline
10/04/2000 🔍12/19/2000 🔍
04/09/2004 🔍
07/02/2014 🔍
04/06/2019 🔍
Sources
Advisory: ftp.openbsd.orgStatus: Not defined
CVE: CVE-2000-0996 (🔍)
X-Force: 5636 - BSD systems su format string
OSVDB: 6124 - OpenBSD su Format String
See also: 🔍
Entry
Created: 07/02/2014 11:29Updated: 04/06/2019 15:16
Changes: 07/02/2014 11:29 (42), 04/06/2019 15:16 (12)
Complete: 🔍
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