VDB-15659 · CVE-2000-0550 · BID 1465

MIT Kerberos 4.0/5 1.0/5 1.1.1/5-1.1 double free

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

Summaryinfo

A vulnerability was found in MIT Kerberos 4.0/5 1.0/5 1.1.1/5-1.1. It has been rated as problematic. The affected element is an unknown function. The manipulation leads to double free. This vulnerability is traded as CVE-2000-0550. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in MIT Kerberos 4.0/5 1.0/5 1.1.1/5-1.1 (Network Authentication Software). It has been rated as problematic. This issue affects an unknown function. The manipulation with an unknown input leads to a double free vulnerability. Using CWE to declare the problem leads to CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. Impacted is availability. The summary by CVE is:

Kerberos 4 KDC program improperly frees memory twice (aka "double-free"), which allows remote attackers to cause a denial of service.

The weakness was shared 06/09/2000 by Tom Yu (FIRST) as confirmed advisory (CERT.org). It is possible to read the advisory at cert.org. The identification of this vulnerability is CVE-2000-0550. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 1465†). The entries VDB-15655, VDB-15656, VDB-15657 and VDB-15658 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

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

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Double free
CWE: CWE-415 / 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/09/2000 🔍
06/09/2000 +0 days 🔍
06/09/2000 +0 days 🔍
06/25/2014 +5129 days 🔍
05/26/2018 +1431 days 🔍

Sourcesinfo

Vendor: mit.edu

Advisory: cert.org
Researcher: Tom Yu (FIRST)
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2000-0550 (🔍)
GCVE (CVE): GCVE-0-2000-0550
GCVE (VulDB): GCVE-100-15659
SecurityFocus: 1465 - Kerberos4 KDC "double-free" Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 06/25/2014 12:01
Updated: 05/26/2018 07:56
Changes: 06/25/2014 12:01 (54), 05/26/2018 07:56 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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