CVE-2017-2659

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.0 7.5/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-209 CWE-287

Affected software

Vendor	Product	Versions
[UNKNOWN]	dropbear	fixed in 2013.59

References

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

Timeline

Published: Mar 21, 2019
Last modified: Jun 17, 2026
NVD status: Modified

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