SSH: OpenSSH sshd UserName Information Disclosure

This signature detects attempts to exploit a known vulnerability against OpenSSH. A successful attack can lead to sensitive information disclosure.

Extended Description

OpenSSH through 7.7 is prone to a user enumeration vulnerability due to not delaying bailout for an invalid authenticating user until after the packet containing the request has been fully parsed, related to auth2-gss.c, auth2-hostbased.c, and auth2-pubkey.c.

Affected Products

Redhat enterprise_linux_workstation

References

CVE: CVE-2018-15473

Short Name
SSH:OVERFLOW:USERNAME-INFO-DIS
Severity
Minor
Recommended
False
Recommended Action
None
Category
SSH
Keywords
CVE-2018-15473 Disclosure Information OpenSSH UserName sshd
Release Date
01/03/2020
Supported Platforms

srx-branch-12.3

srx-19.3

srx-branch-19.3

vsrx3bsd-19.2

srx-branch-19.4

vsrx-19.4

mx-12.3

mx-19.4

vmx-19.4

mx-19.3

vsrx3bsd-19.4

srx-19.4

vsrx-12.3

vmx-19.3

vsrx-19.2

srx-12.3

Sigpack Version
3590
False Positive
Unknown
Vendors

Openbsd

Redhat

Oracle

Netapp

Debian

Canonical

CVSS Score

5.0

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