FreeBSD up to 4.4 Kerberos5 k5su getlogin privileges management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability was found in FreeBSD up to 4.4. It has been declared as problematic. The affected element is the function getlogin of the file k5su of the component Kerberos5. Executing a manipulation can lead to privileges management. This vulnerability is registered as CVE-2002-0754. No exploit is available.

Detailsinfo

A vulnerability classified as critical was found in FreeBSD up to 4.4 (Operating System). This vulnerability affects the function getlogin of the file k5su of the component Kerberos5. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Kerberos 5 su (k5su) in FreeBSD 4.4 and earlier relies on the getlogin system call to determine if the user running k5su is root, which could allow a root-initiated process to regain its privileges after it has dropped them.

The weakness was published 08/12/2002 by lumpy (Website). The advisory is shared for download at ftp.freebsd.org. This vulnerability was named CVE-2002-0754. The exploitation appears to be easy. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 06/23/2024). The MITRE ATT&CK project declares the attack technique as T1068.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (7956) and SecurityFocus (BID 3919†). Similar entry is available at VDB-18641. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 8.4

VulDB Base Score: 8.4
VulDB Temp Score: 8.4
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/21/2002 🔍
08/12/2002 +203 days 🔍
08/12/2002 +0 days 🔍
07/22/2014 +4362 days 🔍
06/23/2024 +3624 days 🔍

Sourcesinfo

Product: freebsd.org

Advisory: ftp.freebsd.org
Researcher: lumpy
Status: Not defined

CVE: CVE-2002-0754 (🔍)
GCVE (CVE): GCVE-0-2002-0754
GCVE (VulDB): GCVE-100-18640
X-Force: 7956
SecurityFocus: 3919 - Kerberos 5 su Privilege Escalation Vulnerability

See also: 🔍

Entryinfo

Created: 07/22/2014 23:20
Updated: 06/23/2024 22:34
Changes: 07/22/2014 23:20 (52), 06/08/2018 11:17 (1), 06/23/2024 22:34 (17)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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