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Category:   Device (Router/Bridge/Hub)  >   Juniper Junos Vendors:   Juniper
Juniper Junos Undocumented RSH Account Lets Remote Authenticated Users Execute Arbitrary Code With Root Privileges on the Target System
SecurityTracker Alert ID:  1041853
SecurityTracker URL:  https://securitytracker.com/id/1041853
CVE Reference:   CVE-2018-0052   (Links to External Site)
Date:  Oct 10 2018
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 12.1X46, 12.3, 12.3X48, 14.1X53, 15.1, 15.1X49, 15.1X53, 16.1, 16.2, 17.1, 17.2, 17.2X75, 17.3, 17.4, 18.2X75
Description:   A vulnerability was reported in Juniper Junos. A remote authenticated user can execute arbitrary code on the target system.

A remote authenticated user can enable the RSH service and if the PAM authentication is disabled, a remote authenticated user can obtain root access on the target system.

When RSH is enabled, the device listens to RSH connections on port 514, except on FreeBSD 10+ versions.

The vendor has assigned PR 1288932 to this vulnerability.

Impact:   A remote authenticated user can execute arbitrary code on the target system.
Solution:   The vendor has issued a fix (12.1X46-D77, 12.3R12-S10, 12.3X48-D75, 14.1X53-D47, 15.1R4-S9, 15.1R6-S6, 15.1R7, 15.1X49-D131, 15.1X49-D140, 15.1X53-D233, 15.1X53-D471, 15.1X53-D490, 15.1X53-D59, 15.1X53-D67, 16.1R3-S9, 16.1R4-S9, 16.1R5-S4, 16.1R6-S4, 16.1R7, 16.2R2-S5, 17.1R1-S7, 17.1R2-S7, 17.1R3, 17.2R1-S6, 17.2R2-S4, 17.2R3, 17.2X75-D110, 17.2X75-D91, 17.3R1-S4, 17.3R2-S2, 17.3R3, 17.4R1-S3, 17.4R2, 18.1R1, 18.2R1, 18.2X75-D5).

The vendor advisory is available at:

https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10886

Vendor URL:  kb.juniper.net/InfoCenter/index?page=content&id=JSA10886 (Links to External Site)
Cause:   Access control error

Message History:   None.


 Source Message Contents

Subject:  https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10886


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