Denial of Service (DoS) Affecting mkj/dropbear package, versions [,2013.59)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.62% (79th percentile)

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  • Snyk IDSNYK-UNMANAGED-MKJDROPBEAR-2365660
  • published26 Jan 2022
  • disclosed25 Oct 2013
  • creditUnknown

Introduced: 25 Oct 2013

CVE-2013-4434  (opens in a new tab)
CWE-189  (opens in a new tab)

How to fix?

Upgrade mkj/dropbear to version 2013.59 or higher.

Overview

Affected versions of this package are vulnerable to Denial of Service (DoS). Dropbear SSH Server before 2013.59 generates error messages for a failed logon attempt with different time delays depending on whether the user account exists, which allows remote attackers to discover valid usernames.

References

CVSS Scores

version 3.1