MIT Kerberos 1.10.4 Key Distribution Center do_tgs_req.c prep_reprocess_req memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in MIT Kerberos 1.10.4. The impacted element is the function prep_reprocess_req of the file do_tgs_req.c of the component Key Distribution Center. This manipulation causes memory corruption. This vulnerability is registered as CVE-2013-1416. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in MIT Kerberos 1.10.4 (Network Authentication Software) and classified as problematic. Affected by this vulnerability is the function prep_reprocess_req of the file do_tgs_req.c of the component Key Distribution Center. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect availability. The summary by CVE is:

The prep_reprocess_req function in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.10.5 does not properly perform service-principal realm referral, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted TGS-REQ request.

The weakness was published 04/05/2013 as krb5-1.10 as not defined changelog entry (Website). It is possible to read the advisory at web.mit.edu. This vulnerability is known as CVE-2013-1416 since 01/24/2013. The exploitation appears to be easy. The attack can be launched remotely. Required for exploitation is a single authentication. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 74989 (openSUSE Security Update : krb5 (openSUSE-SU-2013:0904-1)), 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 195579 (Ubuntu Security Notification for Krb5 Vulnerabilities (USN-2310-1)).

Upgrading to version 1.10.5 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 13263.

The vulnerability is also documented in the databases at X-Force (83634), Tenable (74989), SecurityFocus (BID 59261†), OSVDB (92540†) and Secunia (SA53056†). Similar entries are available at VDB-7828, VDB-7884 and VDB-67256. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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: 74989
Nessus Name: openSUSE Security Update : krb5 (openSUSE-SU-2013:0904-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 881714
OpenVAS Name: CentOS Update for krb5-devel CESA-2013:0748 centos6
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Kerberos 1.10.5
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

ISS Proventia IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

01/24/2013 🔍
03/29/2013 +64 days 🔍
03/29/2013 +0 days 🔍
04/05/2013 +7 days 🔍
04/05/2013 +0 days 🔍
04/19/2013 +14 days 🔍
04/21/2013 +2 days 🔍
04/22/2013 +1 days 🔍
06/13/2014 +417 days 🔍
05/10/2021 +2523 days 🔍

Sourcesinfo

Vendor: mit.edu

Advisory: krb5-1.10
Status: Not defined
Confirmation: 🔍

CVE: CVE-2013-1416 (🔍)
GCVE (CVE): GCVE-0-2013-1416
GCVE (VulDB): GCVE-100-8455

OVAL: 🔍
IAVM: 🔍

X-Force: 83634
SecurityFocus: 59261 - MIT Kerberos CVE-2013-1416 NULL Pointer Dereference Denial of Service Vulnerability
Secunia: 53056
OSVDB: 92540
Vulnerability Center: 39264 - MIT Kerberos 5 Key Distribution Center Allows Remote DoS via a Crafted TGS-REQ Request, Medium

See also: 🔍

Entryinfo

Created: 04/22/2013 17:00
Updated: 05/10/2021 07:25
Changes: 04/22/2013 17:00 (87), 04/27/2017 17:14 (5), 05/10/2021 07:25 (3)
Complete: 🔍
Committer: olku
Cache ID: 216::103

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