CVE-2017-2659

It was found that dropbear before version 2013.59 with GSSAPI leaks whether given username is valid or invalid. When an invalid username is given, the GSSAPI authentication failure was incorrectly counted towards the maximum allowed number of password attempts.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:P/I:N/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2659	Issue Tracking Patch Third Party Advisory
https://secure.ucc.asn.au/hg/dropbear/rev/d7784616409a#l1.86	Patch Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:dropbear_ssh_project:dropbear_ssh:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2019-03-21 15:59

Updated : 2023-12-10 12:59

NVD link : CVE-2017-2659

Mitre link : CVE-2017-2659

CVE.ORG link : CVE-2017-2659

JSON object : View

Products Affected

dropbear_ssh_project

dropbear_ssh

CWE

CWE-287

Improper Authentication

CWE-209

Generation of Error Message Containing Sensitive Information

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