MIT Kerberos 4.0/5 1.0/5 1.1/5 1.1.1 kerb_err_reply e_msg 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.
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. It has been classified as critical. This issue affects the function kerb_err_reply. Performing a manipulation of the argument e_msg results in memory corruption. This vulnerability is reported as CVE-2000-0548. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in MIT Kerberos 4.0/5 1.0/5 1.1/5 1.1.1 (Network Authentication Software). It has been classified as critical. This affects the function kerb_err_reply. The manipulation of the argument e_msg with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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

The bug was discovered 06/09/2000. The weakness was disclosed 06/09/2000 by Matt Power, Assar Westerlund, Nalin Dahyabhai and Andrew Newman as confirmed advisory (CERT.org). The advisory is shared at cert.org. This vulnerability is uniquely identified as CVE-2000-0548. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (4658) and OSVDB (4875†). The entries VDB-15655, VDB-15656, VDB-15658 and VDB-15659 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best 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: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

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 🔍
04/03/2004 +1394 days 🔍
06/25/2014 +3734 days 🔍
05/26/2018 +1431 days 🔍

Sourcesinfo

Vendor: mit.edu

Advisory: cert.org
Researcher: Matt Power, Assar Westerlund, Nalin Dahyabhai, Andrew Newman
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2000-0548 (🔍)
GCVE (CVE): GCVE-0-2000-0548
GCVE (VulDB): GCVE-100-15657
X-Force: 4658
OSVDB: 4875 - MIT Kerberos 4/5 e_msg Variable kerb_err_reply Function Remote Overflow

See also: 🔍

Entryinfo

Created: 06/25/2014 11:23
Updated: 05/26/2018 07:56
Changes: 06/25/2014 11:23 (55), 05/26/2018 07:56 (2)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best 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!