MIT Kerberos 5-1.3.4 Telnet Client information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability was found in MIT Kerberos 5-1.3.4 and classified as problematic. This vulnerability affects unknown code of the component Telnet Client. The manipulation results in information disclosure. This vulnerability is reported as CVE-2005-0488. Moreover, an exploit is present. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in MIT Kerberos 5-1.3.4 (Network Authentication Software). It has been classified as problematic. Affected is an unknown code of the component Telnet Client. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. CVE summarizes:

Certain BSD-based Telnet clients, including those used on Solaris and SuSE Linux, allow remote malicious Telnet servers to read sensitive environment variables via the NEW-ENVIRON option with a SEND ENV_USERVAR command.

The bug was discovered . The weakness was disclosed 06/14/2005 by Jesse Ruderman (iDefense) with Mozilla Corporation as confirmed advisory (CERT.org). The advisory is shared for download at kb.cert.org. This vulnerability is traded as CVE-2005-0488 since 02/20/2005. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1592.

The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 12948 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 21834 (CentOS 3 / 4 : telnet (CESA-2005:504)), 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 117882 (CentOS Security Update for krb5 (CESA-2005:567)).

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (22613), Tenable (21834), SecurityFocus (BID 19289†), OSVDB (17303†) and Secunia (SA15709†). The entries VDB-25513, VDB-25873, VDB-25802 and VDB-25801 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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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

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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Price Prediction: 🔍
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Nessus ID: 21834
Nessus Name: CentOS 3 / 4 : telnet (CESA-2005:504)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 855537
OpenVAS Name: Solaris Update for kpasswd, libgss.so.1 and libkadm5clnt.so.1 109224-11
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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0-Day Time: 🔍
Exposure Time: 🔍
McAfee IPS: 🔍
McAfee IPS Version: 🔍

SourceFire IPS: 🔍

Timelineinfo

02/20/2005 🔍
06/14/2005 +114 days 🔍
06/14/2005 +0 days 🔍
06/14/2005 +0 days 🔍
06/14/2005 +0 days 🔍
06/14/2005 +0 days 🔍
06/22/2005 +8 days 🔍
07/03/2006 +376 days 🔍
08/01/2006 +29 days 🔍
03/11/2015 +3144 days 🔍
01/23/2025 +3606 days 🔍

Sourcesinfo

Vendor: mit.edu

Advisory: kb.cert.org
Researcher: Jesse Ruderman (iDefense)
Organization: Mozilla Corporation
Status: Confirmed

CVE: CVE-2005-0488 (🔍)
GCVE (CVE): GCVE-0-2005-0488
GCVE (VulDB): GCVE-100-25512

OVAL: 🔍

CERT: 🔍
X-Force: 22613
SecurityFocus: 19289 - Apple Mac OS X Multiple Security Vulnerabilities
Secunia: 15709
OSVDB: 17303 - Microsoft Knowledge Base Article 896428 is not installed
SecurityTracker: 1014203
Vulnerability Center: 8413 - BSD-Based Telnet Client Disclosure of Sensitive Information via NEW-ENVIRON Option, Medium
Vupen: ADV-2006-3101

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/11/2015 11:41
Updated: 01/23/2025 17:09
Changes: 03/11/2015 11:41 (83), 06/06/2019 17:41 (11), 01/23/2025 17:09 (17)
Complete: 🔍
Cache ID: 216::103

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