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Authentication Bypass Affecting cups package, versions <1.7.5-11+deb8u3

0.0
high

Snyk CVSS

    Attack Complexity Low
    Integrity High

    Threat Intelligence

    EPSS 0.33% (71st percentile)
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NVD
7.5 high
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Red Hat
5.8 medium

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  • Snyk ID SNYK-DEBIAN8-CUPS-364364
  • published 16 Feb 2018
  • disclosed 16 Feb 2018
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Introduced: 16 Feb 2018

CVE-2017-18190 Open this link in a new tab
CWE-290 Open this link in a new tab

How to fix?

Upgrade Debian:8 cups to version 1.7.5-11+deb8u3 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream cups package and not the cups package as distributed by Debian. See How to fix? for Debian:8 relevant fixed versions and status.

A localhost.localdomain whitelist entry in valid_host() in scheduler/client.c in CUPS before 2.2.2 allows remote attackers to execute arbitrary IPP commands by sending POST requests to the CUPS daemon in conjunction with DNS rebinding. The localhost.localdomain name is often resolved via a DNS server (neither the OS nor the web browser is responsible for ensuring that localhost.localdomain is 127.0.0.1).