MIT Kerberos 5-1.8/5-1.8.1/5-1.8.2/5-1.8.3 Key Distribution Center kdc_authdata.c merge_authdata input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in MIT Kerberos 5-1.8/5-1.8.1/5-1.8.2/5-1.8.3. Affected by this issue is the function merge_authdata of the file kdc_authdata.c of the component Key Distribution Center. Executing a manipulation can lead to input validation. This vulnerability is handled as CVE-2010-1322. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical was found in MIT Kerberos 5-1.8/5-1.8.1/5-1.8.2/5-1.8.3 (Network Authentication Software). This vulnerability affects the function merge_authdata of the file kdc_authdata.c 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 confidentiality, integrity, and availability. CVE summarizes:

The merge_authdata function in kdc_authdata.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.8.x before 1.8.4 does not properly manage an index into an authorization-data list, which allows remote attackers to cause a denial of service (daemon crash), or possibly obtain sensitive information, spoof authorization, or execute arbitrary code, via a TGS request that triggers an uninitialized pointer dereference, as demonstrated by a request from a Windows Active Directory client.

The weakness was released 10/07/2010 (Website). The advisory is available at securityfocus.com. This vulnerability was named CVE-2010-1322. The exploitation appears to be easy. The attack can be initiated remotely. A single authentication is necessary for exploitation. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 75558 (openSUSE Security Update : krb5 (openSUSE-SU-2010:0709-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165198 (SUSE Security Update for Multiple Packages (SUSE-SR:2010:019)).

Upgrading to version 5-1.8 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (75558), SecurityFocus (BID 43756†) and Vulnerability Center (SBV-27546†). Entry connected to this vulnerability is available at VDB-54466. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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: 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: 75558
Nessus Name: openSUSE Security Update : krb5 (openSUSE-SU-2010:0709-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 862596
OpenVAS Name: Fedora Update for krb5 FEDORA-2010-15803
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kerberos 5-1.8
Fortigate IPS: 🔍

Timelineinfo

04/08/2010 🔍
10/05/2010 +180 days 🔍
10/07/2010 +2 days 🔍
10/07/2010 +0 days 🔍
10/07/2010 +0 days 🔍
10/10/2010 +3 days 🔍
06/13/2014 +1342 days 🔍
03/19/2015 +279 days 🔍
09/26/2021 +2383 days 🔍

Sourcesinfo

Vendor: mit.edu

Advisory: RHSA-2010:0863⛔
Status: Not defined
Confirmation: 🔍

CVE: CVE-2010-1322 (🔍)
GCVE (CVE): GCVE-0-2010-1322
GCVE (VulDB): GCVE-100-54946

OVAL: 🔍

SecurityFocus: 43756 - MIT Kerberos KDC 'kdc_authdata.c' NULL Pointer Denial Of Service Vulnerability
Vulnerability Center: 27546 - MIT Kerberos 5 1.8-1.8.3 Remote DoS, Information Disclosure, Spoofing or Arbitrary Code Execution, High

See also: 🔍

Entryinfo

Created: 03/19/2015 14:37
Updated: 09/26/2021 10:45
Changes: 03/19/2015 14:37 (65), 03/07/2017 09:42 (10), 09/26/2021 10:39 (5), 09/26/2021 10:45 (1)
Complete: 🔍
Cache ID: 216:97F:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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