CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.7 | $0-$5k | 0.00 |
A vulnerability, which was classified as critical, has been found in FreeBSD 4.4/4.5 (Operating System). This issue affects an unknown function of the file k5su of the component Kerberos5. 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 confidentiality, integrity, and availability. The summary by CVE is:
Kerberos 5 su (k5su) in FreeBSD 4.5 and earlier does not verify that a user is a member of the wheel group before granting superuser privileges, which could allow unauthorized users to execute commands as root.
The weakness was released 05/20/2002 (Website). The advisory is shared at ftp.freebsd.org. The identification of this vulnerability is CVE-2002-0755. The exploitation is known to be easy. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Technical details as well as a exploit are known. MITRE ATT&CK project uses the attack technique T1068 for this issue.
After immediately, there has been an exploit disclosed. It is declared as proof-of-concept.
It is possible to mitigate the problem by adding an authentication mechanism.
The vulnerability is also documented in the vulnerability database at X-Force (9125). Entry connected to this vulnerability is available at 18640.
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: 8.4VulDB Meta Temp Score: 7.7
VulDB Base Score: 8.4
VulDB Temp Score: 7.7
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: Privileges managementCWE: CWE-269 / CWE-266
ATT&CK: T1068
Local: Yes
Remote: No
Availability: 🔍
Status: Proof-of-Concept
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: AuthenticationStatus: 🔍
0-Day Time: 🔍
Exploit Delay Time: 🔍
Timeline
05/20/2002 🔍05/20/2002 🔍
05/20/2002 🔍
05/20/2002 🔍
08/12/2002 🔍
04/03/2004 🔍
07/05/2009 🔍
07/22/2014 🔍
02/11/2017 🔍
Sources
Product: freebsd.orgAdvisory: ftp.freebsd.org
Status: Not defined
CVE: CVE-2002-0755 (🔍)
X-Force: 9125
Vulnerability Center: 22758 - FreeBSD <= 4.5 Kerberos 5 Wheel Group Membership Arbitrary Code Execution Vulnerability, Medium
SecurityFocus: 4777 - FreeBSD k5su Wheel Group Membership Validation Vulnerability
OSVDB: 4893 - FreeBSD k5su Group Check Failure
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍
Entry
Created: 07/22/2014 23:21Updated: 02/11/2017 10:20
Changes: 07/22/2014 23:21 (53), 02/11/2017 10:20 (10)
Complete: 🔍
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