MIT Kerberos 5-1.10/5-1.10.1 access control

CVSS Meta Temp Score
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5.2$0-$5k0.00

A vulnerability, which was classified as critical, has been found in MIT Kerberos 5-1.10/5-1.10.1 (Network Authentication Software). Affected by this issue is an unknown function of the component Kerberos. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, and integrity. CVE summarizes:

server/server_stubs.c in the kadmin protocol implementation in MIT Kerberos 5 (aka krb5) 1.10 before 1.10.1 does not properly restrict access to (1) SET_STRING and (2) GET_STRINGS operations, which might allow remote authenticated administrators to modify or read string attributes by leveraging the global list privilege.

The weakness was shared 06/07/2012 as Bug 796438 as not defined bug report (Bugzilla). The advisory is available at bugzilla.redhat.com. This vulnerability is handled as CVE-2012-1012 since 02/07/2012. The exploitation is known to be easy. The attack may be launched remotely. The successful exploitation requires a simple authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 61379 (Ubuntu 10.04 LTS / 11.04 / 11.10 / 12.04 LTS : krb5 vulnerabilities (USN-1520-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks.

Upgrading to version 5-1.10.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (61379). The entry 60915 is related to this item.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.4
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Access control
CWE: CWE-264
ATT&CK: T1068

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

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Current Price Estimation: 🔍

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Nessus ID: 61379
Nessus Name: Ubuntu 10.04 LTS / 11.04 / 11.10 / 12.04 LTS : krb5 vulnerabilities (USN-1520-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 864588
OpenVAS Name: Fedora Update for krb5 FEDORA-2012-11388
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kerberos 5-1.10.1

Timelineinfo

02/07/2012 🔍
02/22/2012 +15 days 🔍
03/06/2012 +13 days 🔍
06/07/2012 +93 days 🔍
06/07/2012 +0 days 🔍
08/01/2012 +55 days 🔍
03/23/2015 +964 days 🔍
12/03/2021 +2447 days 🔍

Sourcesinfo

Vendor: mit.edu

Advisory: Bug 796438
Status: Not defined
Confirmation: 🔍

CVE: CVE-2012-1012 (🔍)
OVAL: 🔍

Vulnerability Center: 34571 - Kerberos 5 Kadmin Protocol Insufficient Access Controls for get_strings/set_string, Medium
SecurityFocus: 53784

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 12/03/2021 14:35
Changes: 03/23/2015 16:50 (61), 04/09/2017 21:30 (9), 12/03/2021 14:35 (4)
Complete: 🔍

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