CVE-2018-15919

5.3MEDIUM

Key Information:

Vendor
OpenBSD
Status
Openssh
Vendor
CVE Published:
28 August 2018

Summary

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.'

References

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

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.