Numeric Errors Affecting dropbear package, versions <2012.55-1.4


Severity

Recommended
low

Based on Debian security rating.

Threat Intelligence

EPSS
0.62% (79th percentile)

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  • Snyk IDSNYK-DEBIAN11-DROPBEAR-514708
  • published25 Oct 2013
  • disclosed25 Oct 2013

Introduced: 25 Oct 2013

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

How to fix?

Upgrade Debian:11 dropbear to version 2012.55-1.4 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream dropbear package and not the dropbear package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

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.

CVSS Scores

version 3.1