Home/CVE/It was found that dropbear before version 2013.59 with GSSAPI leaks whether given username is valid or invalid. When an
CVE

CVE-2017-2659

It was found that dropbear before version 2013.59 with GSSAPI leaks whether given username is valid or invalid. When an

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.

MEDIUM · CVSS 5.3 EPSS 0.00275
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-209Generation of Error Message Containing Sensitive Information
CWE-287Improper Authentication
▤

Affected Products & Versions

1
dropbear ssh project dropbear ssh< 2013.59
▣

Scoring & Timeline

5.3
MEDIUM · CVSS v3.0 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD21 Mar 2019 · 03:59 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2659Issue TrackingPatchThird Party Advisory
https://secure.ucc.asn.au/hg/dropbear/rev/d7784616409a#l1.86PatchThird Party Advisory
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