MIT Kerberos 1.6.3 Kdc Error Message memory corruption

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.8$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in MIT Kerberos 1.6.3 Kdc. This affects an unknown function of the component Error Message Handler. Such manipulation leads to memory corruption. This vulnerability is listed as CVE-2008-0063. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in MIT Kerberos 1.6.3 Kdc (Network Authentication Software). It has been rated as critical. Affected by this issue is an unknown functionality of the component Error Message Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality. CVE summarizes:

The Kerberos 4 support in KDC in MIT Kerberos 5 (krb5kdc) does not properly clear the unused portion of a buffer when generating an error message, which might allow remote attackers to obtain sensitive information, aka "Uninitialized stack values."

The bug was discovered 03/18/2008. The weakness was presented 03/19/2008 (Website). The advisory is shared for download at web.mit.edu. This vulnerability is handled as CVE-2008-0063 since 01/03/2008. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 43676 (CentOS 5 : krb5 (CESA-2008:0164)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 115824 (VMware Security Update (VMSA-2008-0008 and VMSA-2008-0009)).

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (41277), Tenable (43676), SecurityFocus (BID 28303†), OSVDB (43342†) and Secunia (SA29428†). See VDB-3721, VDB-3722, VDB-3719 and VDB-3720 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 43676
Nessus Name: CentOS 5 : krb5 (CESA-2008:0164)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 60578
OpenVAS Name: Debian Security Advisory DSA 1524-1 (krb5)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/03/2008 🔍
03/18/2008 +75 days 🔍
03/18/2008 +0 days 🔍
03/18/2008 +0 days 🔍
03/18/2008 +0 days 🔍
03/19/2008 +1 days 🔍
03/19/2008 +0 days 🔍
03/19/2008 +0 days 🔍
03/19/2008 +0 days 🔍
03/23/2008 +4 days 🔍
01/06/2010 +654 days 🔍
03/16/2015 +1895 days 🔍
08/07/2019 +1605 days 🔍

Sourcesinfo

Vendor: mit.edu

Advisory: web.mit.edu
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2008-0063 (🔍)
GCVE (CVE): GCVE-0-2008-0063
GCVE (VulDB): GCVE-100-41588

OVAL: 🔍

X-Force: 41277
SecurityFocus: 28303 - MIT Kerberos 5 KDC Multiple Memory Corruption Based Information Disclosure Vulnerabilities
Secunia: 29428 - Kerberos Multiple Vulnerabilities, Highly Critical
OSVDB: 43342 - CVE-2008-0063 - MIT - Kerberos - Information Disclosure Issue
SecurityTracker: 1019627
Vulnerability Center: 17954 - MIT Kerberos 5 Krb5kdc Allows Remote Attacker to Obtain Sensitive Information, Medium
Vupen: ADV-2008-0922

See also: 🔍

Entryinfo

Created: 03/16/2015 17:00
Updated: 08/07/2019 11:28
Changes: 03/16/2015 17:00 (83), 08/07/2019 11:28 (5)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!