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[email protected]NVD:CVE-2017-2659

HistoryMar 21, 2019 - 3:59 p.m.

CVE-2017-2659

2019-03-2115:59:57

CWE-209

CWE-287

[email protected]

web.nvd.nist.gov

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

AI Score

6.5

Confidence

High

EPSS

0.001

Percentile

49.6%

JSON

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.

Affected configurations

Nvd

Node

dropbear_ssh_projectdropbear_sshRange<2013.59

VendorProductVersionCPE
dropbear_ssh_projectdropbear_ssh*cpe:2.3:a:dropbear_ssh_project:dropbear_ssh:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
dropbear_ssh_project	dropbear_ssh	*	cpe:2.3:a:dropbear_ssh_project:dropbear_ssh::::::::

References

bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2659

secure.ucc.asn.au/hg/dropbear/rev/d7784616409a#l1.86

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

AI Score

6.5

Confidence

High

EPSS

0.001

Percentile

49.6%

JSON

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