SSH 1.2.27 Kerberos Ticket information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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8.0$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in SSH 1.2.27. The affected element is an unknown function of the component Kerberos Ticket Handler. Executing a manipulation can lead to information disclosure. This vulnerability is handled as CVE-2000-0575. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in SSH 1.2.27 (SSH Server Software) and classified as critical. This vulnerability affects an unknown function of the component Kerberos Ticket Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

SSH 1.2.27 with Kerberos authentication support stores Kerberos tickets in a file which is created in the current directory of the user who is logging in, which could allow remote attackers to sniff the ticket cache if the home directory is installed on NFS.

The weakness was released 07/05/2000 by Richard E. Silverman (Website). The advisory is shared for download at xforce.iss.net. This vulnerability was named CVE-2000-0575. The exploitation appears to be easy. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

The vulnerability scanner Nessus provides a plugin with the ID 10472 (SSH with Kerberos NFS Share Ticket Disclosure), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc. and running in the context r.

Upgrading to version 1.2.28, 1.2.29 or 1.2.30 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (4903), Tenable (10472), SecurityFocus (BID 1426†) and Vulnerability Center (SBV-154†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 8.0

VulDB Base Score: 8.4
VulDB Temp Score: 8.0
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: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 10472
Nessus Name: SSH with Kerberos NFS Share Ticket Disclosure
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: SSH 1.2.28/1.2.29/1.2.30

Timelineinfo

07/05/2000 🔍
07/05/2000 +0 days 🔍
07/05/2000 +0 days 🔍
07/05/2000 +0 days 🔍
07/16/2000 +11 days 🔍
10/16/2002 +822 days 🔍
06/25/2014 +4270 days 🔍
05/05/2019 +1775 days 🔍

Sourcesinfo

Advisory: xforce.iss.net
Researcher: Richard E. Silverman
Status: Not defined

CVE: CVE-2000-0575 (🔍)
GCVE (CVE): GCVE-0-2000-0575
GCVE (VulDB): GCVE-100-15736
X-Force: 4903
SecurityFocus: 1426 - SSH 1.2.27 Kerberos Ticket Cache Exposure Vulnerability
Vulnerability Center: 154 - SSH 1.2.27 Kerberos Sniffing, High

Entryinfo

Created: 06/25/2014 15:06
Updated: 05/05/2019 10:07
Changes: 06/25/2014 15:06 (64), 05/05/2019 10:07 (3)
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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