Cisco ASA Proxy TFTP Request improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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4.6$0-$5k0.00

Summaryinfo

A vulnerability has been found in Cisco ASA and classified as critical. Affected is an unknown function of the component Proxy. The manipulation as part of TFTP Request leads to improper authentication. This vulnerability is uniquely identified as CVE-2014-0739. No exploit exists. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in Cisco ASA (Firewall Software) (the affected version unknown) and classified as critical. This issue affects an unknown part of the component Proxy. The manipulation as part of a TFTP Request leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is integrity. The summary by CVE is:

Race condition in the Phone Proxy component in Cisco Adaptive Security Appliance (ASA) Software 9.1(.3) and earlier allows remote attackers to bypass sec_db authentication and provide certain pass-through services to untrusted devices via a crafted configuration-file TFTP request, aka Bug ID CSCuj66766.

The weakness was disclosed 02/20/2014 with Cisco as CSCuj66766 as confirmed security notice (Website). It is possible to read the advisory at tools.cisco.com. The identification of this vulnerability is CVE-2014-0739 since 01/02/2014. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

Applying the patch CSCuj66766 is able to eliminate this problem. The bugfix is ready for download at tools.cisco.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (91289), SecurityFocus (BID 65707†), Secunia (SA57081†) and Vulnerability Center (SBV-43743†). The entry VDB-12408 is pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Vendor

Name

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

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: CSCuj66766

Timelineinfo

01/02/2014 🔍
02/20/2014 +49 days 🔍
02/20/2014 +0 days 🔍
02/20/2014 +0 days 🔍
02/20/2014 +0 days 🔍
02/21/2014 +1 days 🔍
02/22/2014 +1 days 🔍
02/26/2014 +4 days 🔍
03/25/2014 +27 days 🔍
05/24/2017 +1156 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: CSCuj66766
Organization: Cisco
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-0739 (🔍)
GCVE (CVE): GCVE-0-2014-0739
GCVE (VulDB): GCVE-100-12407
X-Force: 91289 - Cisco Adaptive Security Appliance Phone Proxy security bypass, Medium Risk
SecurityFocus: 65707 - Cisco Adaptive Security Appliance Phone Proxy sec_db Security Bypass Vulnerability
Secunia: 57081 - Cisco Adaptive Security Appliance TFTP Configuration Request Race Condition Security Issue, Less Critical
Vulnerability Center: 43743 - Cisco ASA 9.1 Remote Security Bypass Vulnerability in Phone Proxy via Crafted TFTP Request, Medium

See also: 🔍

Entryinfo

Created: 02/26/2014 09:34
Updated: 05/24/2017 09:16
Changes: 02/26/2014 09:34 (74), 05/24/2017 09:16 (1)
Complete: 🔍
Cache ID: 216:C2C:103

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