VDB-19244 · CVE-2002-1358 · BID 6405

PuTTY 0.48/0.49/0.53 Empty Element input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.5$0-$5k0.00

A vulnerability, which was classified as very critical, has been found in PuTTY 0.48/0.49/0.53 (Connectivity Software). Affected by this issue is an unknown functionality of the component Empty Element Handler. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Multiple SSH2 servers and clients do not properly handle lists with empty elements or strings, which may allow remote attackers to cause a denial of service or possibly execute arbitrary code, as demonstrated by the SSHredder SSH protocol test suite.

The weakness was shared 12/23/2002 as confirmed advisory (CERT.org). The advisory is shared for download at cert.org. This vulnerability is handled as CVE-2002-1358. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 06/09/2018).

The vulnerability scanner Nessus provides a plugin with the ID 48968 (SSH Malformed Packet Vulnerabilities - Cisco Systems), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 38223 (Multiple Vendor SSH2 Implementation Vulnerabilities).

Applying a patch is able to eliminate this problem. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (48968). The entries 19243, 19245 and 19246 are related to this item.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 48968
Nessus Name: SSH Malformed Packet Vulnerabilities - Cisco Systems
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 11195
OpenVAS Name: SSH Multiple Vulns
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/16/2002 🔍
12/19/2002 +3 days 🔍
12/23/2002 +4 days 🔍
12/23/2002 +0 days 🔍
09/01/2010 +2809 days 🔍
07/31/2014 +1429 days 🔍
06/09/2018 +1409 days 🔍

Sourcesinfo

Advisory: cert.org
Status: Confirmed

CVE: CVE-2002-1358 (🔍)
OVAL: 🔍

SecurityTracker: 1005812
SecurityFocus: 6405

See also: 🔍

Entryinfo

Created: 07/31/2014 17:18
Updated: 06/09/2018 11:00
Changes: 07/31/2014 17:18 (59), 06/09/2018 11:00 (9)
Complete: 🔍

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