MIT Kerberos 5-1.2.1/5-1.2.2/5-1.2.3/5-1.2.4 Key Distribution Center null pointer dereference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

A vulnerability was found in MIT Kerberos 5-1.2.1/5-1.2.2/5-1.2.3/5-1.2.4 (Network Authentication Software). It has been classified as problematic. This affects an unknown function of the component Key Distribution Center. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. The summary by CVE is:

MIT Kerberos V5 Key Distribution Center (KDC) before 1.2.5 allows remote authenticated attackers to cause a denial of service (crash) on KDCs within the same realm via a certain protocol request that causes a null dereference.

The bug was discovered 09/16/2002. The weakness was shared 02/19/2003 as confirmed advisory (CERT.org). It is possible to read the advisory at kb.cert.org. This vulnerability is uniquely identified as CVE-2003-0058. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 156 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 14027 (Mandrake Linux Security Advisory : krb5 (MDKSA-2003:043-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mandriva Local Security Checks and running in the context l.

Upgrading to version 1.2.5 eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (10099) and Tenable (14027). The entries 20124, 20140 and 20141 are related to this item.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 14027
Nessus Name: Mandrake Linux Security Advisory : krb5 (MDKSA-2003:043-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Kerberos 1.2.5

Timelineinfo

07/26/2002 🔍
07/26/2002 +0 days 🔍
09/16/2002 +52 days 🔍
02/19/2003 +156 days 🔍
02/19/2003 +0 days 🔍
04/03/2003 +43 days 🔍
07/31/2004 +485 days 🔍
01/04/2005 +157 days 🔍
08/07/2014 +3502 days 🔍
05/29/2019 +1756 days 🔍

Sourcesinfo

Vendor: mit.edu

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

CVE: CVE-2003-0058 (🔍)
OVAL: 🔍

X-Force: 10099
Vulnerability Center: 6752 - DoS in MIT Kerberos 5 < 1.2.5 via Null Pointer, Medium
SecurityFocus: 6683 - Kerberos Key Distribution Center Denial of Service Vulnerability
OSVDB: 4874 - CVE-2003-0058 - MIT - Kerberos - Denial of Service Issue

See also: 🔍

Entryinfo

Created: 08/07/2014 17:56
Updated: 05/29/2019 09:33
Changes: 08/07/2014 17:56 (73), 05/29/2019 09:33 (4)
Complete: 🔍

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