Vulnerability Name:

CVE-2016-6441 (CCN-118575)

Assigned:2016-11-02
Published:2016-11-02
Updated:2017-07-29
Summary:A vulnerability in the Transaction Language 1 (TL1) code of Cisco ASR 900 Series routers could allow an unauthenticated, remote attacker to cause a reload of, or remotely execute code on, the affected system. This vulnerability affects Cisco ASR 900 Series Aggregation Services Routers (ASR902, ASR903, and ASR907) that are running the following releases of Cisco IOS XE Software: 3.17.0S 3.17.1S 3.17.2S 3.18.0S 3.18.1S. More Information: CSCuy15175. Known Affected Releases: 15.6(1)S 15.6(2)S. Known Fixed Releases: 15.6(1)S2.12 15.6(1.17)S0.41 15.6(1.17)SP 15.6(2)SP 16.4(0.183) 16.5(0.10).
CVSS v3 Severity:9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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): High
Integrity (I): High
Availibility (A): High
9.8 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:10.0 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
10.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-119
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2016-6441

Source: BID
Type: UNKNOWN
94072

Source: CCN
Type: BID-94072
Cisco IOS XE Software CVE-2016-6441 Buffer Overflow Vulnerability

Source: SECTRACK
Type: UNKNOWN
1037179

Source: XF
Type: UNKNOWN
cisco-cve20166441-bo(118575)

Source: CCN
Type: Cisco Security Advisory cisco-sa-20161102-tl1
Cisco ASR 900 Series Aggregation Services Routers Buffer Overflow Vulnerability

Source: CONFIRM
Type: Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161102-tl1

Vulnerable Configuration:Configuration 1:
  • cpe:/o:cisco:ios_xe:3.17.0s:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:3.17.1s:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:3.17.2s:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:3.17s:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:3.18.0s:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:3.18.1s:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:3.18s:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    cisco ios xe 3.17.0s
    cisco ios xe 3.17.1s
    cisco ios xe 3.17.2s
    cisco ios xe 3.17s
    cisco ios xe 3.18.0s
    cisco ios xe 3.18.1s
    cisco ios xe 3.18s