Race Condition Affecting openssh-portable package, versions [,7.8)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
98.63% (100th percentile)

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  • Snyk IDSNYK-UNMANAGED-OPENSSHPORTABLE-2319254
  • published14 Dec 2021
  • disclosed17 Aug 2018
  • creditUnknown

Introduced: 17 Aug 2018

CVE-2018-15473  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

Upgrade openssh-portable to version 7.8 or higher.

Overview

Affected versions of this package are vulnerable to Race Condition. 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.

CVSS Base Scores

version 3.1