Cisco IOS XE 15.4(3)S ANI Certificate cryptographic issue

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.6$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Cisco IOS XE 15.4(3)S. Affected by this vulnerability is an unknown functionality of the component ANI Certificate Handler. This manipulation causes cryptographic issue. This vulnerability is handled as CVE-2014-3403. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Cisco IOS XE 15.4(3)S (Router Operating System). Affected by this vulnerability is an unknown code of the component ANI Certificate Handler. The manipulation with an unknown input leads to a cryptographic issue vulnerability. The CWE definition for the vulnerability is CWE-310. As an impact it is known to affect integrity. The summary by CVE is:

The Autonomic Networking Infrastructure (ANI) component in Cisco IOS XE does not properly validate certificates, which allows remote attackers to spoof devices via crafted messages, aka Bug ID CSCuq22647.

The weakness was released 10/09/2014 with Cisco as CSCuq22647 as confirmed security notice (Website). It is possible to read the advisory at tools.cisco.com. This vulnerability is known as CVE-2014-3403 since 05/07/2014. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1600 according to MITRE ATT&CK.

Upgrading to version 15.5(0.18)S0.3 or 15.5(1.2)S eliminates this vulnerability. The upgrade is hosted for download at software.cisco.com.

The vulnerability is also documented in the databases at X-Force (96940), SecurityFocus (BID 70386†), SecurityTracker (ID 1030983†) and Vulnerability Center (SBV-46409†). Additional details are provided at tools.cisco.com. Entries connected to this vulnerability are available at VDB-67769 and VDB-67770. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cryptographic issue
CWE: CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: IOS XE 15.5(0.18)S0.3/15.5(1.2)S

Timelineinfo

05/07/2014 🔍
10/09/2014 +155 days 🔍
10/09/2014 +0 days 🔍
10/09/2014 +0 days 🔍
10/09/2014 +0 days 🔍
10/09/2014 +0 days 🔍
10/12/2014 +3 days 🔍
10/13/2014 +1 days 🔍
10/13/2014 +0 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: CSCuq22647
Organization: Cisco
Status: Confirmed

CVE: CVE-2014-3403 (🔍)
GCVE (CVE): GCVE-0-2014-3403
GCVE (VulDB): GCVE-100-67771
X-Force: 96940 - Cisco IOS XE Autonomic Networking Infrastructure security bypass, Medium Risk
SecurityFocus: 70386 - Cisco IOS XE Software CVE-2014-3403 Certificate Validation Security Bypass Vulnerability
SecurityTracker: 1030983 - Cisco IOS XE Autonomic Networking Infrastructure Bugs Let Remote Users Bypass Certificate Validation and Inject Routes
Vulnerability Center: 46409 - Cisco IOS XE Remote Spoofing of Devices due to Improper Certificates Validation, Medium

scip Labs: https://www.scip.ch/en/?labs.20150108
Misc.: 🔍
See also: 🔍

Entryinfo

Created: 10/13/2014 10:55
Changes: 10/13/2014 10:55 (76)
Complete: 🔍
Cache ID: 216:0EA:103

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to know what is going to be exploited?

We predict KEV entries!