CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.4 | $0-$5k | 0.00 |
A vulnerability was found in FreeBSD 7.4 (Operating System). It has been rated as critical. This issue affects an unknown code block. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
FreeBSD: Input Validation Flaw allows local users to gain elevated privileges
The bug was discovered 11/23/2012. The weakness was released 12/02/2019 by Mateusz Guzik (Website). The advisory is shared at security.FreeBSD.org. The identification of this vulnerability is CVE-2012-4576 since 08/21/2012. An attack has to be approached locally. The requirement for exploitation is a simple authentication. Neither technical details nor an exploit are publicly available.
The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 63049 (FreeBSD : FreeBSD -- Linux compatibility layer input validation error (5536c8e4-36b3-11e2-a633-902b343deec9)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l.
Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (63049). Entry connected to this vulnerability is available at 7024.
Product
Type
Name
Version
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: 6.5VulDB Meta Temp Score: 6.4
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
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: Input validationCWE: CWE-20
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 |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Nessus ID: 63049
Nessus Name: FreeBSD : FreeBSD -- Linux compatibility layer input validation error (5536c8e4-36b3-11e2-a633-902b343deec9)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 72595
OpenVAS Name: FreeBSD Ports: FreeBSD
OpenVAS File: 🔍
OpenVAS Family: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
08/21/2012 🔍11/22/2012 🔍
11/23/2012 🔍
11/23/2012 🔍
11/24/2012 🔍
11/26/2012 🔍
12/02/2019 🔍
12/03/2019 🔍
03/05/2024 🔍
Sources
Product: freebsd.orgAdvisory: security.FreeBSD.org
Researcher: Mateusz Guzik
Status: Confirmed
CVE: CVE-2012-4576 (🔍)
X-Force: 80321
SecurityTracker: 1027809
SecurityFocus: 56654 - FreeBSD Linux Compatibility Layer Local Privilege Escalation Vulnerabiity
OSVDB: 87836
See also: 🔍
Entry
Created: 12/03/2019 15:51Updated: 03/05/2024 08:30
Changes: 12/03/2019 15:51 (46), 12/03/2019 15:56 (34), 03/05/2024 08:30 (4)
Complete: 🔍
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