CVE-2018-0006 Details

CVE-2018-0006

Published: 2018-01-10
Last Modified: 2019-10-09
CVE Author: NIST National Vulnerability Database
CVE Assigner: sirt@juniper.net
Summary

A high rate of VLAN authentication attempts sent from an adjacent host on the local broadcast domain can trigger high memory utilization by the BBE subscriber management daemon (bbe-smgd), and lead to a denial of service condition. The issue was caused by attempting to process an unbounded number of pending VLAN authentication requests, leading to excessive memory allocation. This issue only affects devices configured for DHCPv4/v6 over AE auto-sensed VLANs, utilized in Broadband Edge (BBE) deployments. Other configurations are unaffected by this issue. Affected releases are Juniper Networks Junos OS: 15.1 versions prior to 15.1R6-S2, 15.1R7; 16.1 versions prior to 16.1R5-S1, 16.1R6; 16.2 versions prior to 16.2R2-S2, 16.2R3; 17.1 versions prior to 17.1R2-S5, 17.1R3; 17.2 versions prior to 17.2R2.

Analysis
Common Vulnerability Score System v2.0
Severity Low
Base Score 2.9/10
Exploit Score 5.5/10
Access Vector Adjacent_network
Access Complexity Medium
Authentication None
Impact Score 2.9/10
Confidentiality Impact None
Availability Impact Partial
Integrity Impact None
Vector String AV:A/AC:M/Au:N/C:N/I:N/A:P
Common Vulnerability Score System v3.1
Severity Medium
Base Score 5.3/10
Exploit Score 1.6/10
Access Vector Adjacent_network
Access Complexity High
Privileges Required None
Impact Score 3.6/10
Confidentiality Impact None
Availability Impact High
Integrity Impact None
Scope Unchanged
User Interaction None
Vector String CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Products Reported
CPE Vulnerable Start Excluding
cpe:2.3:o:juniper:junos:15.1:r7:*:*:*:*:*:* Yes - -
cpe:2.3:o:juniper:junos:15.1:r1:*:*:*:*:*:* Yes - -
cpe:2.3:o:juniper:junos:15.1:r2:*:*:*:*:*:* Yes - -
cpe:2.3:o:juniper:junos:15.1:r3:*:*:*:*:*:* Yes - -
cpe:2.3:o:juniper:junos:15.1:r4:*:*:*:*:*:* Yes - -
cpe:2.3:o:juniper:junos:15.1:*:*:*:*:*:*:* Yes - -
cpe:2.3:o:juniper:junos:15.1:r5:*:*:*:*:*:* Yes - -
cpe:2.3:o:juniper:junos:16.1:r6:*:*:*:*:*:* Yes - -
cpe:2.3:o:juniper:junos:16.1:*:*:*:*:*:*:* Yes - -
cpe:2.3:o:juniper:junos:16.1:r1:*:*:*:*:*:* Yes - -
cpe:2.3:o:juniper:junos:16.1:r2:*:*:*:*:*:* Yes - -
cpe:2.3:o:juniper:junos:16.1:r3:*:*:*:*:*:* Yes - -
cpe:2.3:o:juniper:junos:16.1:r4:*:*:*:*:*:* Yes - -
cpe:2.3:o:juniper:junos:16.2:r3:*:*:*:*:*:* Yes - -
cpe:2.3:o:juniper:junos:16.2:r1:*:*:*:*:*:* Yes - -
cpe:2.3:o:juniper:junos:17.1:r3:*:*:*:*:*:* Yes - -
cpe:2.3:o:juniper:junos:17.1:r1:*:*:*:*:*:* Yes - -
cpe:2.3:o:juniper:junos:17.2:r1:*:*:*:*:*:* Yes - -
References

https://kb.juniper.net/JSA10834
http://www.securitytracker.com/id/1040184

CVE ID
CVE-2018-0006
Published
2018-01-10
Modified
2019-10-09
CVSSv2.0
Low
CVSSv3.1
Medium
PCI Compliance
Pass
US-CERT Alert
No
CWE
CWE-770

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