SSH up to 3.2 URL Catcher memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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10.0$0-$5k0.00

A vulnerability was found in SSH up to 3.2 (SSH Server Software) and classified as very critical. This issue affects an unknown code block of the component URL Catcher. The manipulation 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. The summary by CVE is:

Buffer overflow in the URL catcher feature for SSH Secure Shell for Workstations client 3.1 to 3.2.0 allows remote attackers to execute arbitrary code via a long URL.

The weakness was disclosed 11/25/2002 as confirmed advisory (CERT.org). The advisory is shared at kb.cert.org. The identification of this vulnerability is CVE-2002-1645 since 03/28/2005. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/09/2018).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at X-Force (10723). The entry 19156 is pretty similar.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

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

VulDB Base Score: 10.0
VulDB Temp Score: 10.0
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
ATT&CK: Unknown

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/25/2002 🔍
11/25/2002 +0 days 🔍
11/27/2002 +2 days 🔍
03/28/2005 +852 days 🔍
07/31/2014 +3412 days 🔍
06/09/2018 +1409 days 🔍

Sourcesinfo

Advisory: kb.cert.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2002-1645 (🔍)
X-Force: 10723 - SSH Windows client URL buffer overflow
SecurityFocus: 6263

See also: 🔍

Entryinfo

Created: 07/31/2014 16:18
Updated: 06/09/2018 10:58
Changes: 07/31/2014 16:18 (49), 06/09/2018 10:58 (6)
Complete: 🔍

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