7.5
CWE
200
Advisory Published
Updated

CVE-2017-2304: Infoleak

First published: Tue May 30 2017(Updated: )

Juniper Networks QFX3500, QFX3600, QFX5100, QFX5200, EX4300 and EX4600 devices running Junos OS 14.1X53 prior to 14.1X53-D40, 15.1X53 prior to 15.1X53-D40, 15.1 prior to 15.1R2, do not pad Ethernet packets with zeros, and thus some packets can contain fragments of system memory or data from previous packets. This issue is also known as 'Etherleak'

Credit: sirt@juniper.net

Affected SoftwareAffected VersionHow to fix
Junos OS Evolved=14.1x53
Junos OS Evolved=14.1x53-d10
Junos OS Evolved=14.1x53-d15
Junos OS Evolved=14.1x53-d16
Junos OS Evolved=14.1x53-d25
Junos OS Evolved=14.1x53-d26
Junos OS Evolved=14.1x53-d27
Junos OS Evolved=14.1x53-d30
Junos OS Evolved=14.1x53-d35
Junos OS Evolved=15.1
Junos OS Evolved=15.1-r1
Junos OS Evolved=15.1x53
Junos OS Evolved=15.1x53-d20
Junos OS Evolved=15.1x53-d21
Junos OS Evolved=15.1x53-d25
Junos OS Evolved=15.1x53-d30
Junos OS Evolved=15.1x53-d32
Junos OS Evolved=15.1x53-d33
Junos OS Evolved=15.1x53-d34
Juniper EX4300-24T
Juniper EX4600
Juniper Networks QFX-Series
Juniper QFX3600-I
Juniper QFX5100
Juniper QFX5200-32C

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Frequently Asked Questions

  • What is the severity of CVE-2017-2304?

    CVE-2017-2304 is classified as a medium severity vulnerability due to its potential to expose fragments of system memory.

  • How do I fix CVE-2017-2304?

    To fix CVE-2017-2304, upgrade to Junos OS version 14.1X53-D40, 15.1X53-D40, or 15.1R2 or later.

  • What devices are affected by CVE-2017-2304?

    The affected devices include Juniper Networks QFX3500, QFX3600, QFX5100, QFX5200, EX4300, and EX4600 running specific versions of Junos OS.

  • Is my Juniper device vulnerable to CVE-2017-2304?

    If your device is running Junos OS versions 14.1X53 prior to 14.1X53-D40 or 15.1 prior to 15.1R2, it is vulnerable to CVE-2017-2304.

  • What type of information can be exposed due to CVE-2017-2304?

    CVE-2017-2304 can expose fragments of system memory or data from previous packets, potentially leading to sensitive information leakage.

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