Blackboard Kerberos 6.0 Local Privilege Escalation ⚔ [Disputed]

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.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Blackboard Kerberos 6.0. This vulnerability affects unknown code. The manipulation results in Local Privilege Escalation. This vulnerability was named CVE-2006-0511. There is no available exploit. The existence of this vulnerability is still disputed at present.

Detailsinfo

A vulnerability classified as problematic has been found in Blackboard Kerberos 6.0 (Forum Software). Affected is some unknown functionality. The manipulation with an unknown input leads to a local privilege escalation vulnerability. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

** DISPUTED ** Blackboard Academic Suite 6.0 and earlier does not properly clear session information when de-authenticating a user who is idle, which allows subsequent users to log in as the previous user and gain privileges. NOTE: the vendor has disputed this issue, saying that "This is a customer specific issue related to their Kerberos authentication single sign-on application and not a vulnerability in the Blackboard product."

The weakness was presented 02/01/2006 by jehnx and Josh (Website). The advisory is shared for download at securityfocus.com. This vulnerability is traded as CVE-2006-0511 since 02/01/2006. The exploitability is told to be easy. The attack needs to be approached locally. A authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The real existence of this vulnerability is still doubted at the moment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at SecurityFocus (BID 16438†) and OSVDB (28023†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Forum Software

Vendor

• Blackboard

Name

• Kerberos

Version

• 6.0

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Local Privilege Escalation
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/31/2006 🔍
02/01/2006 +1 days 🔍
02/01/2006 +0 days 🔍
02/01/2006 +0 days 🔍
08/14/2006 +194 days 🔍
03/12/2015 +3131 days 🔍
08/07/2024 +3436 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: jehnx, Josh
Status: Not defined
Disputed: 🔍

CVE: CVE-2006-0511 (🔍)
GCVE (CVE): GCVE-0-2006-0511
GCVE (VulDB): GCVE-100-28548
SecurityFocus: 16438 - Retired - Blackboard Learning System Access Validation Vulnerability
OSVDB: 28023 - Blackboard Academic Suite Local Session Deauthentication

Entryinfo

Created: 03/12/2015 11:11
Updated: 08/07/2024 20:04
Changes: 03/12/2015 11:11 (52), 08/13/2018 07:10 (2), 08/07/2024 20:04 (16)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

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