Dropbear Remote Code Execution

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.
6.9$0-$5k0.00

A vulnerability classified as critical has been found in Dropbear (SSH Server Software) (version now known). Affected is some unknown processing. The manipulation with an unknown input leads to a remote code execution vulnerability. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

dbclient in Dropbear SSH client before 0.49 does not sufficiently warn the user when it detects a hostkey mismatch, which might allow remote attackers to conduct man-in-the-middle attacks.

The weakness was released 02/23/2007 (Website). The advisory is available at matt.ucc.asn.au. This vulnerability is traded as CVE-2007-1099 since 02/26/2007. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.

It is declared as proof-of-concept.

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 (32762). Entries connected to this vulnerability are available at 23370, 35213, 60899 and 100037.

Productinfo

Type

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.9

VulDB Base Score: 7.3
VulDB Temp Score: 6.9
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: Remote Code Execution
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 66215
OpenVAS Name: Dropbear SSH dbclient man-in-the-middle Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/23/2007 🔍
02/26/2007 +2 days 🔍
02/26/2007 +0 days 🔍
03/01/2007 +3 days 🔍
03/01/2007 +0 days 🔍
03/01/2007 +0 days 🔍
05/08/2016 +3355 days 🔍
12/13/2018 +949 days 🔍

Sourcesinfo

Advisory: matt.ucc.asn.au
Status: Not defined
Confirmation: 🔍

CVE: CVE-2007-1099 (🔍)
X-Force: 32762
SecurityFocus: 22761 - Dropbear Hostkey Mismatch Warning Weakness
Secunia: 24345 - Dropbear hostkey Mismatch Warning Weakness, Not Critical
OSVDB: 33814 - Dropbear dbclient hostkey Mismatch Warning Weakness
Vupen: ADV-2007-0785

See also: 🔍

Entryinfo

Created: 05/08/2016 21:45
Updated: 12/13/2018 10:20
Changes: 05/08/2016 21:45 (52), 12/13/2018 10:20 (9)
Complete: 🔍
Cache ID: 18:169:103

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