Cisco AnyConnect Secure Mobility Client 3.1(60) on Windows File Name Validator access control

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Cisco AnyConnect Secure Mobility Client 3.1(60) on Windows. This impacts an unknown function of the component File Name Validator. This manipulation causes access control. This vulnerability appears as CVE-2015-4211. In addition, an exploit is available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability has been found in Cisco AnyConnect Secure Mobility Client 3.1(60) on Windows (Network Encryption Software) and classified as problematic. Affected by this vulnerability is an unknown functionality of the component File Name Validator. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Cisco AnyConnect Secure Mobility Client 3.1(60) on Windows does not properly validate pathnames, which allows local users to gain privileges via a crafted INF file, aka Bug ID CSCus65862.

The weakness was presented 06/24/2015 by Cisco with Cisco Systems as 39466 / CSCus65862 as confirmed vulnerability alert (Website). It is possible to read the advisory at tools.cisco.com. This vulnerability is known as CVE-2015-4211 since 06/04/2015. Attacking locally is a requirement. The successful exploitation needs a single authentication. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $25k-$100k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 123657 (Cisco AnyConnect Secure Mobility Client Local Privilege Escalation Vulnerability).

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the databases at Exploit-DB (38289), SecurityFocus (BID 75373†), SecurityTracker (ID 1032704†) and Vulnerability Center (SBV-51439†). See VDB-78018 for similar entry. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/04/2015 🔍
06/23/2015 +19 days 🔍
06/23/2015 +0 days 🔍
06/24/2015 +1 days 🔍
06/24/2015 +0 days 🔍
06/24/2015 +0 days 🔍
06/24/2015 +0 days 🔍
07/20/2015 +26 days 🔍
11/24/2024 +3415 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: 39466 / CSCus65862
Researcher: Cisco
Organization: Cisco Systems
Status: Confirmed

CVE: CVE-2015-4211 (🔍)
GCVE (CVE): GCVE-0-2015-4211
GCVE (VulDB): GCVE-100-76063
SecurityFocus: 75373 - Cisco AnyConnect Secure Mobility Client CVE-2015-4211 Local Privilege Escalation Vulnerability
SecurityTracker: 1032704 - Cisco AnyConnect Secure Mobility Client for Windows File/Path Validation Flaw Lets Local Users Gain Elevated Privileges
Vulnerability Center: 51439 - Cisco AnyConnect Client for Windows Local Code Execution Vulnerability via Crafted INF File, Medium

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 06/24/2015 15:15
Updated: 11/24/2024 11:58
Changes: 06/24/2015 15:15 (62), 07/14/2017 08:55 (13), 11/24/2024 11:58 (18)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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