Vulnerability Name:

CVE-2016-4925 (CCN-117812)

Assigned:2016-10-12
Published:2016-10-12
Updated:2019-10-09
Summary:Receipt of a specifically malformed IPv6 packet processed by the router may trigger a line card reset: processor exception 0x68616c74 (halt) in task: scheduler. The line card will reboot and recover without user interaction. However, additional specifically malformed packets may cause follow-on line card resets and lead to an extended service outage. This issue only affects E Series routers with IPv6 licensed and enabled. Routers not configured to process IPv6 traffic are unaffected by this vulnerability. Juniper SIRT is not aware of any malicious exploitation of this vulnerability. No other Juniper Networks products or platforms are affected by this issue.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-19
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2016-4925

Source: BID
Type: Third Party Advisory, VDB Entry
93533

Source: CCN
Type: BID-93533
Juniper JunosE CVE-2016-4925 Denial of Service Vulnerability

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1037012

Source: XF
Type: UNKNOWN
juniper-junose-cve20164925-dos(117812)

Source: CCN
Type: Juniper Networks Security Bulletin JSA10767
JUNOSe: Line Card Reset: processor exception 0x68616c74 (halt) task: scheduler, upon receipt of crafted IPv6 packet (CVE-2016-4925)

Source: CONFIRM
Type: Vendor Advisory
https://kb.juniper.net/JSA10767

Vulnerable Configuration:Configuration 1:
  • cpe:/o:juniper:junose:*:*:*:*:*:*:*:* (Version >= 10.3 and <= 10.3.3)
  • OR cpe:/o:juniper:junose:*:*:*:*:*:*:*:* (Version >= 12.3.0 and <= 12.3.3)
  • OR cpe:/o:juniper:junose:*:*:*:*:*:*:*:* (Version >= 13.3.0 and <= 13.3.3)
  • OR cpe:/o:juniper:junose:*:*:*:*:*:*:*:* (Version >= 14.3.0 and <= 14.3.1)

    • Configuration CCN 1:
  • cpe:/o:juniper:junose:13.3.0:*:*:*:*:*:*:*
  • OR cpe:/o:juniper:junose:14.3.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    juniper junose *
    juniper junose *
    juniper junose *
    juniper junose *
    juniper junose 13.3.0
    juniper junose 14.3.0