Protection Mechanism Failure Affecting snort package, versions <2.9.20-0+deb10u1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.05% (19th percentile)

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  • Snyk IDSNYK-DEBIAN10-SNORT-2769572
  • published20 Apr 2022
  • disclosed15 Nov 2024

Introduced: 20 Apr 2022

CVE-2021-1494  (opens in a new tab)
CWE-693  (opens in a new tab)

How to fix?

Upgrade Debian:10 snort to version 2.9.20-0+deb10u1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream snort package and not the snort package as distributed by Debian. See How to fix? for Debian:10 relevant fixed versions and status.

Multiple Cisco products are affected by a vulnerability in the Snort detection engine that could allow an unauthenticated, remote attacker to bypass a configured file policy for HTTP. The vulnerability is due to incorrect handling of specific HTTP header parameters. An attacker could exploit this vulnerability by sending crafted HTTP packets through an affected device. A successful exploit could allow the attacker to bypass a configured file policy for HTTP packets and deliver a malicious payload.

CVSS Scores

version 3.1