VDB-15656 · CVE-2000-0547 · BID 1338

MIT Kerberos 4.0/5 1.0/5 1.1/5 1.1.1 process_v4 localrealm memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in MIT Kerberos 4.0/5 1.0/5 1.1/5 1.1.1 and classified as critical. This vulnerability affects the function process_v4. Such manipulation of the argument localrealm leads to memory corruption. This vulnerability is documented as CVE-2000-0547. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in MIT Kerberos 4.0/5 1.0/5 1.1/5 1.1.1 (Network Authentication Software) and classified as critical. Affected by this issue is the function process_v4. The manipulation of the argument localrealm 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, integrity, and availability. CVE summarizes:

Buffer overflow in Kerberos 4 KDC program allows remote attackers to cause a denial of service via the localrealm variable in the process_v4 function.

The weakness was released 06/09/2000 by Tom Yu (FIRST) as confirmed advisory (CERT.org). The advisory is shared for download at cert.org. This vulnerability is handled as CVE-2000-0547. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 1338†). Entries connected to this vulnerability are available at VDB-15655, VDB-15657, VDB-15658 and VDB-15659. VulDB is the best source for vulnerability data and more expert information about this specific topic.

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: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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: Memory corruption
CWE: 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-2000-0547 (🔍)
GCVE (CVE): GCVE-0-2000-0547
GCVE (VulDB): GCVE-100-15656
SecurityFocus: 1338 - Kerberos4 KDC AUTH_MSG_KDC_REQUEST NULL termination Vulnerability

See also: 🔍

Entryinfo

Created: 06/25/2014 11:22
Updated: 05/26/2018 07:55
Changes: 06/25/2014 11:22 (56), 05/26/2018 07:55 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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