high
7.8
Advisory Published
Updated

CVE-2017-2301

First published: Tue May 30 2017(Updated: )

On Juniper Networks products or platforms running Junos OS 11.4 prior to 11.4R13-S3, 12.1X46 prior to 12.1X46-D60, 12.3 prior to 12.3R12-S2 or 12.3R13, 12.3X48 prior to 12.3X48-D40, 13.2X51 prior to 13.2X51-D40, 13.3 prior to 13.3R10, 14.1 prior to 14.1R8, 14.1X53 prior to 14.1X53-D12 or 14.1X53-D35, 14.1X55 prior to 14.1X55-D35, 14.2 prior to 14.2R7, 15.1 prior to 15.1F6 or 15.1R3, 15.1X49 prior to 15.1X49-D60, 15.1X53 prior to 15.1X53-D30 and DHCPv6 enabled, when a crafted DHCPv6 packet is received from a subscriber, jdhcpd daemon crashes and restarts. Repeated crashes of the jdhcpd process may constitute an extended denial of service condition for subscribers attempting to obtain IPv6 addresses.

Credit: sirt@juniper.net

Affected SoftwareAffected VersionHow to fix
Juniper Junos=11.4
Juniper Junos=11.4-r1
Juniper Junos=11.4-r10
Juniper Junos=11.4-r11
Juniper Junos=11.4-r12
Juniper Junos=11.4-r2
Juniper Junos=11.4-r3
Juniper Junos=11.4-r4
Juniper Junos=11.4-r5
Juniper Junos=11.4-r6
Juniper Junos=11.4-r7
Juniper Junos=11.4-r8
Juniper Junos=11.4-r9
Juniper Junos=12.1x46
Juniper Junos=12.1x46-d10
Juniper Junos=12.1x46-d15
Juniper Junos=12.1x46-d20
Juniper Junos=12.1x46-d25
Juniper Junos=12.1x46-d30
Juniper Junos=12.1x46-d35
Juniper Junos=12.1x46-d40
Juniper Junos=12.1x46-d45
Juniper Junos=12.1x46-d50
Juniper Junos=12.1x46-d55
Juniper Junos=12.3
Juniper Junos=12.3-r1
Juniper Junos=12.3-r10
Juniper Junos=12.3-r11
Juniper Junos=12.3-r2
Juniper Junos=12.3-r3
Juniper Junos=12.3-r4
Juniper Junos=12.3-r5
Juniper Junos=12.3-r7
Juniper Junos=12.3-r8
Juniper Junos=12.3-r9
Juniper Junos=12.3x48
Juniper Junos=12.3x48-d10
Juniper Junos=12.3x48-d15
Juniper Junos=12.3x48-d20
Juniper Junos=12.3x48-d25
Juniper Junos=12.3x48-d30
Juniper Junos=12.3x48-d35
Juniper Junos=13.2x51
Juniper Junos=13.2x51-d15
Juniper Junos=13.2x51-d20
Juniper Junos=13.2x51-d21
Juniper Junos=13.2x51-d25
Juniper Junos=13.2x51-d26
Juniper Junos=13.2x51-d30
Juniper Junos=13.2x51-d35
Juniper Junos=13.3
Juniper Junos=13.3-r1
Juniper Junos=13.3-r2
Juniper Junos=13.3-r3
Juniper Junos=13.3-r4
Juniper Junos=13.3-r5
Juniper Junos=13.3-r6
Juniper Junos=13.3-r7
Juniper Junos=13.3-r8
Juniper Junos=13.3-r9
Juniper Junos=14.1
Juniper Junos=14.1-r1
Juniper Junos=14.1-r2
Juniper Junos=14.1-r3
Juniper Junos=14.1-r4
Juniper Junos=14.1-r5
Juniper Junos=14.1-r6
Juniper Junos=14.1-r7
Juniper Junos=14.1x53
Juniper Junos=14.1x53-d10
Juniper Junos=14.1x53-d35
Juniper Junos=14.1x55
Juniper Junos=14.1x55-d16
Juniper Junos=14.1x55-d20
Juniper Junos=14.1x55-d25
Juniper Junos=14.1x55-d30
Juniper Junos=14.2
Juniper Junos=14.2-r1
Juniper Junos=14.2-r2
Juniper Junos=14.2-r3
Juniper Junos=14.2-r4
Juniper Junos=14.2-r5
Juniper Junos=14.2-r6
Juniper Junos=15.1
Juniper Junos=15.1-f1
Juniper Junos=15.1-f2
Juniper Junos=15.1-f3
Juniper Junos=15.1-f4
Juniper Junos=15.1-f5
Juniper Junos=15.1-r3
Juniper Junos=15.1x49
Juniper Junos=15.1x49-d10
Juniper Junos=15.1x49-d20
Juniper Junos=15.1x49-d30
Juniper Junos=15.1x49-d35
Juniper Junos=15.1x49-d40
Juniper Junos=15.1x49-d45
Juniper Junos=15.1x49-d50
Juniper Junos=15.1x49-d55
Juniper Junos=15.1x53
Juniper Junos=15.1x53-d10
Juniper Junos=15.1x53-d20
Juniper Junos=15.1x53-d21

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2017-2301?

    The severity of CVE-2017-2301 is classified as high, as it can lead to potential denial of service.

  • How do I fix CVE-2017-2301?

    To fix CVE-2017-2301, upgrade to Junos OS version 11.4R13-S3, 12.1X46-D60, 12.3R12-S2 or later versions.

  • What products are affected by CVE-2017-2301?

    CVE-2017-2301 affects multiple Juniper Networks products running various versions of Junos OS prior to the mentioned patched versions.

  • What types of vulnerabilities does CVE-2017-2301 address?

    CVE-2017-2301 addresses vulnerabilities related to inadequate input validation that may allow malicious exploitation.

  • Is there a workaround for CVE-2017-2301?

    There are no known workarounds for CVE-2017-2301, therefore, updating to a secure version is recommended.

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