Improper Input Validation Affecting oisf/libhtp package, versions [,0.5.31)


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.13% (50th percentile)

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  • Snyk IDSNYK-UNMANAGED-OISFLIBHTP-2366018
  • published26 Jan 2022
  • disclosed10 Oct 2019
  • creditUnknown

Introduced: 10 Oct 2019

CVE-2019-17420  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade oisf/libhtp to version 0.5.31 or higher.

Overview

Affected versions of this package are vulnerable to Improper Input Validation. In OISF LibHTP before 0.5.31, as used in Suricata 4.1.4 and other products, an HTTP protocol parsing error causes the http_header signature to not alert on a response with a single \r\n ending.

CVSS Scores

version 3.1