Vulnerability CVE-2018-15919


Published: 2018-08-28

Description:
Remotely observable behaviour in auth-gss2.c in OpenSSH through 7.8 could be used by remote attackers to detect existence of users on a target system when GSS2 is in use. NOTE: the discoverer states 'We understand that the OpenSSH developers do not want to treat such a username enumeration (or "oracle") as a vulnerability.'

Type:

CWE-200

(Information Exposure)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Openbsd -> Openssh 
Netapp -> Cloud backup 
Netapp -> Data ontap edge 
Netapp -> Ontap select deploy 
Netapp -> Steelstore 
Netapp -> Cn1610 firmware 

 References:
http://seclists.org/oss-sec/2018/q3/180
http://www.securityfocus.com/bid/105163
https://security.netapp.com/advisory/ntap-20181221-0001/

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