MIT Kerberos 5-1.8/5-1.8.1/5-1.8.2/5-1.8.3/5-1.8.4 Key Distribution Center krb5_db2_lockout_audit input validation

CVSS Meta Temp Score
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CTI Interest Score
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7.5$5k-$25k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in MIT Kerberos 5-1.8/5-1.8.1/5-1.8.2/5-1.8.3/5-1.8.4. Affected is the function krb5_db2_lockout_audit of the component Key Distribution Center. This manipulation causes input validation. The identification of this vulnerability is CVE-2011-4151. There is no exploit available.

Detailsinfo

A vulnerability has been found in MIT Kerberos 5-1.8/5-1.8.1/5-1.8.2/5-1.8.3/5-1.8.4 (Network Authentication Software) and classified as critical. Affected by this vulnerability is the function krb5_db2_lockout_audit of the component Key Distribution Center. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability. The summary by CVE is:

The krb5_db2_lockout_audit function in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.8 through 1.8.4, when the db2 (aka Berkeley DB) back end is used, allows remote attackers to cause a denial of service (assertion failure and daemon exit) via unspecified vectors, a different vulnerability than CVE-2011-1528.

The weakness was shared 10/20/2011 as confirmed advisory (CERT.org). It is possible to read the advisory at kb.cert.org. This vulnerability is known as CVE-2011-4151 since 10/20/2011. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 12/02/2024).

The vulnerability scanner Nessus provides a plugin with the ID 57655 (GLSA-201201-13 : MIT Kerberos 5: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks.

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 (70891), Tenable (57655), SecurityFocus (BID 50273†) and Vulnerability Center (SBV-45267†). The entries VDB-59178, VDB-59177 and VDB-59176 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.5
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 57655
Nessus Name: GLSA-201201-13 : MIT Kerberos 5: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 863620
OpenVAS Name: Fedora Update for krb5 FEDORA-2011-14650
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/18/2011 🔍
10/19/2011 +1 days 🔍
10/20/2011 +1 days 🔍
10/20/2011 +0 days 🔍
10/20/2011 +0 days 🔍
07/07/2014 +991 days 🔍
03/23/2015 +259 days 🔍
12/02/2024 +3542 days 🔍

Sourcesinfo

Vendor: mit.edu

Advisory: kb.cert.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-4151 (🔍)
GCVE (CVE): GCVE-0-2011-4151
GCVE (VulDB): GCVE-100-59179
CERT: 🔍
X-Force: 70891
SecurityFocus: 50273 - MIT Kerberos Multiple Denial of Service Vulnerabilities
Vulnerability Center: 45267 - MIT Kerberos 5 1.8-1.8.4 Remote DoS via Unspecified Vectors, High

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 12/02/2024 03:54
Changes: 03/23/2015 16:50 (66), 06/01/2017 08:10 (4), 11/24/2021 14:44 (3), 12/02/2024 03:54 (15)
Complete: 🔍
Cache ID: 216:CA0:103

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