critical
9.8
CWE
416
Advisory Published
Updated

CVE-2018-0001: Junos: Unauthenticated Remote Code Execution through J-Web interface

First published: Wed Jan 10 2018(Updated: )

A remote, unauthenticated attacker may be able to execute code by exploiting a use-after-free defect found in older versions of PHP through injection of crafted data via specific PHP URLs within the context of the J-Web process. Affected releases are Juniper Networks Junos OS: 12.1X46 versions prior to 12.1X46-D67; 12.3 versions prior to 12.3R12-S5; 12.3X48 versions prior to 12.3X48-D35; 14.1 versions prior to 14.1R8-S5, 14.1R9; 14.1X53 versions prior to 14.1X53-D44, 14.1X53-D50; 14.2 versions prior to 14.2R7-S7, 14.2R8; 15.1 versions prior to 15.1R3; 15.1X49 versions prior to 15.1X49-D30; 15.1X53 versions prior to 15.1X53-D70.

Credit: sirt@juniper.net

Affected SoftwareAffected VersionHow to fix
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=12.1x46-d60
Juniper Junos=12.1x46-d65
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=15.1x49-d10
Juniper Junos=15.1x49-d20
Juniper Junos=15.1x49-d30
Juniper Junos=15.1x53-d20
Juniper Junos=15.1x53-d21
Juniper Junos=15.1x53-d25
Juniper Junos=15.1x53-d30
Juniper Junos=15.1x53-d32
Juniper Junos=15.1x53-d33
Juniper Junos=15.1x53-d34
Juniper Junos=15.1x53-d60
Juniper Junos=15.1x53-d61
Juniper Junos=15.1x53-d62
Juniper Junos=15.1x53-d63
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-r8
Juniper Junos=14.1-r9
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-r7
Juniper Junos=14.2-r8
Juniper Junos=15.1-r1
Juniper Junos=15.1-r2
Juniper Junos=12.3
Juniper Junos=12.3-r1
Juniper Junos=12.3-r10
Juniper Junos=12.3-r2
Juniper Junos=12.3-r3
Juniper Junos=12.3-r4
Juniper Junos=12.3-r5
Juniper Junos=12.3-r6
Juniper Junos=12.3-r7
Juniper Junos=12.3-r8
Juniper Junos=12.3-r9
Juniper Junos=14.1x53
Juniper Junos=14.1x53-d10
Juniper Junos=14.1x53-d15
Juniper Junos=14.1x53-d16
Juniper Junos=14.1x53-d25
Juniper Junos=14.1x53-d26
Juniper Junos=14.1x53-d27
Juniper Junos=14.1x53-d35
Juniper Junos=14.1x53-d50

Remedy

https://kb.juniper.net/JSA10828

Remedy

The following software releases have been updated to resolve this specific issue: 12.1X46-D67, 12.3R12-S8*, 12.3X48-D55, 14.1R8-S5, 14.1R9, 14.1X53-D44, 14.1X53-D50, 14.2R7-S7, 14.2R8, 15.1F5-S8, 15.1F6-S8, 15.1R5-S6, 15.1R7, 15.1X49-D100, 15.1X53-D70, 16.1R4-S6, 16.1R5, 16.2R2-S2, 16.2R3, 17.1R2-S5*, 17.1R3*, 17.2R2, 17.3R1, and all subsequent releases. *Pending release NOTE: While Junos OS 12.3R12-S5, 12.3X48-D35, 15.1F2+, 15.1R3, 15.1X49-D30, and all subsequent releases are not vulnerable, this issue has been proactively resolved.

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2018-0001?

    CVE-2018-0001 is categorized as a high-severity vulnerability because it allows remote unauthenticated code execution.

  • How do I fix CVE-2018-0001?

    To fix CVE-2018-0001, you should upgrade to the latest version of Junos OS that addresses this vulnerability.

  • What software versions are affected by CVE-2018-0001?

    CVE-2018-0001 affects multiple versions of Juniper Networks Junos OS, particularly versions 12.1X46 and 12.3X48, among others.

  • What type of vulnerability is CVE-2018-0001?

    CVE-2018-0001 is a use-after-free vulnerability that can be exploited through crafted data sent to the J-Web process.

  • Can CVE-2018-0001 be exploited remotely?

    Yes, CVE-2018-0001 can be exploited remotely by attackers without authentication.

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