Cisco AnyConnect Secure Mobility Client on Windows DLL Path untrusted search path

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

A vulnerability was found in Cisco AnyConnect Secure Mobility Client on Windows (Network Encryption Software) (the affected version unknown). It has been classified as critical. Affected is an unknown part of the component DLL Path Handler. The manipulation with an unknown input leads to a untrusted search path vulnerability. CWE is classifying the issue as CWE-426. The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product's direct control. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 09/23/2015 by Google Project Zero and Yorick Koster as 41136 / CSCuv01279 as confirmed vulnerability alert (Website). The advisory is available at tools.cisco.com. This vulnerability is traded as CVE-2015-6305 since 08/17/2015. The exploitability is told to be easy. Local access is required to approach this attack. A authentication is necessary for exploitation. Technical details are unknown but a public exploit is available. This vulnerability is assigned to T1574 by the MITRE ATT&CK project.

A public exploit has been developed by Google Security Research and been published even before and not after the advisory. The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 86302 (Cisco AnyConnect Secure Mobility Client 3.x < 3.1.11004.0 / 4.x < 4.1.6020.0 Privilege Escalation), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Exploit-DB (38289), Tenable (86302), SecurityFocus (BID 76817†), SecurityTracker (ID 1033643†) and Vulnerability Center (SBV-53296†). See VDB-76063 for similar entry.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.8
VulDB Temp Score: 7.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Untrusted search path
CWE: CWE-426
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Google Security Research
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 86302
Nessus Name: Cisco AnyConnect Secure Mobility Client 3.x < 3.1.11004.0 / 4.x < 4.1.6020.0 Privilege Escalation
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/17/2015 🔍
09/22/2015 +36 days 🔍
09/22/2015 +0 days 🔍
09/22/2015 +0 days 🔍
09/23/2015 +1 days 🔍
09/23/2015 +0 days 🔍
09/24/2015 +1 days 🔍
09/25/2015 +1 days 🔍
10/08/2015 +13 days 🔍
06/18/2022 +2445 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: 41136 / CSCuv01279
Researcher: Google Project Zero, Yorick Koster
Status: Confirmed

CVE: CVE-2015-6305 (🔍)
SecurityFocus: 76817
SecurityTracker: 1033643
Vulnerability Center: 53296 - Cisco AnyConnect Secure Mobility Client Local Privileges Escalation via a Trojan Horse DLL, Medium

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

Entryinfo

Created: 09/24/2015 22:26
Updated: 06/18/2022 20:47
Changes: 09/24/2015 22:26 (65), 02/04/2018 10:14 (9), 06/18/2022 20:39 (3), 06/18/2022 20:47 (1)
Complete: 🔍
Cache ID: 3:8A5:103

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