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
7.16% (95th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-UNMANAGED-MKJDROPBEAR-2365666
  • published26 Jan 2022
  • disclosed25 Oct 2013
  • creditUnknown

Introduced: 25 Oct 2013

CVE-2013-4421  (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). The buf_decompress function in packet.c in Dropbear SSH Server before 2013.59 allows remote attackers to cause a denial of service (memory consumption) via a compressed packet that has a large size when it is decompressed.

References

CVSS Scores

version 3.1