MIT Kerberos up to 5-1.4.1 Key Distribution Center memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability was found in MIT Kerberos up to 5-1.4.1 and classified as critical. Impacted is an unknown function of the component Key Distribution Center. Executing a manipulation can lead to memory corruption. This vulnerability is registered as CVE-2005-1174. It is possible to launch the attack remotely. No exploit is available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in MIT Kerberos up to 5-1.4.1 (Network Authentication Software). It has been declared as critical. This vulnerability affects an unknown code 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 confidentiality, integrity, and availability. CVE summarizes:

MIT Kerberos 5 (krb5) 1.3 through 1.4.1 Key Distribution Center (KDC) allows remote attackers to cause a denial of service (application crash) via a certain valid TCP connection that causes a free of unallocated memory.

The bug was discovered 07/12/2005. The weakness was published 07/13/2005 by Daniel Wachdorf (Website). The advisory is shared for download at web.mit.edu. This vulnerability was named CVE-2005-1174 since 04/19/2005. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

It is declared as proof-of-concept. As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 18686 (GLSA-200507-11 : 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 and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 115270 (Apple Mac OS X Security Update 2005-007 v1.1 Not Installed (APPLE-SA-2005-08-17)).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at web.mit.edu. A possible mitigation has been published even before and not after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 9075.

The vulnerability is also documented in the databases at X-Force (21327), Tenable (18686), SecurityFocus (BID 14240†), OSVDB (17842†) and Secunia (SA16041†). Similar entries are available at VDB-1599, VDB-1598 and VDB-25801. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 18686
Nessus Name: GLSA-200507-11 : MIT Kerberos 5: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 54373
OpenVAS Name: Debian Security Advisory DSA 757-1 (krb5)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: web.mit.edu
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

Fortigate IPS: 🔍

Timelineinfo

04/19/2005 🔍
07/12/2005 +84 days 🔍
07/12/2005 +0 days 🔍
07/12/2005 +0 days 🔍
07/12/2005 +0 days 🔍
07/12/2005 +0 days 🔍
07/13/2005 +1 days 🔍
07/13/2005 +0 days 🔍
07/13/2005 +0 days 🔍
07/15/2005 +2 days 🔍
07/18/2005 +3 days 🔍
07/04/2025 +7291 days 🔍

Sourcesinfo

Vendor: mit.edu

Advisory: web.mit.edu
Researcher: Daniel Wachdorf
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2005-1174 (🔍)
GCVE (CVE): GCVE-0-2005-1174
GCVE (VulDB): GCVE-100-1600

OVAL: 🔍

CERT: 🔍
X-Force: 21327
SecurityFocus: 14240 - MIT Kerberos 5 Key Distribution Center Remote Denial of Service Vulnerability
Secunia: 16041 - Kerberos V5 Multiple Vulnerabilities, Highly Critical
OSVDB: 17842 - CVE-2005-1174 - MIT - Kerberos - Denial of Service Issue
SecurityTracker: 1014460
Vulnerability Center: 8532 - DoS in MIT Kerberos Key Distribution Center 5 1.3 - 1.4.1 via Crafted TCP Request, High
Vupen: ADV-2005-1066

See also: 🔍

Entryinfo

Created: 07/15/2005 11:56
Updated: 07/04/2025 12:37
Changes: 07/15/2005 11:56 (82), 07/03/2019 16:19 (17), 12/28/2024 01:48 (16), 07/04/2025 12:37 (2)
Complete: 🔍
Cache ID: 216::103

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