Cisco AnyConnect Secure Mobility Client ciscod.exe memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco AnyConnect Secure Mobility Client. It has been rated as problematic. Affected by this vulnerability is an unknown functionality of the file ciscod.exe. This manipulation causes memory corruption. The identification of this vulnerability is CVE-2013-1173. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Cisco AnyConnect Secure Mobility Client (Network Encryption Software) (version unknown) and classified as critical. Affected by this vulnerability is an unknown function of the file ciscod.exe. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Heap-based buffer overflow in ciscod.exe in the Cisco Security Service in Cisco AnyConnect Secure Mobility Client (aka AnyConnect VPN Client) allows local users to gain privileges via unspecified vectors, aka Bug ID CSCud14143.

The weakness was shared 04/10/2013 with Cisco as CSCud14143 as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. This vulnerability is known as CVE-2013-1173 since 01/11/2013. The exploitation appears to be easy. Attacking locally is a requirement. The successful exploitation requires a single authentication. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 66023 (Cisco AnyConnect Secure Mobility Client 2.x / 3.x < 3.1(3103) Host Scan Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows. The commercial vulnerability scanner Qualys is able to test this issue with plugin 121625 (Cisco Security Service File Verification Bypass Privilege Escalation Vulnerability).

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at tools.cisco.com. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (83390), Tenable (66023), SecurityFocus (BID 59036†), OSVDB (92219†) and Secunia (SA53015†). Additional details are provided at tools.cisco.com. The entry VDB-8238 is related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.4

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

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Nessus ID: 66023
Nessus Name: Cisco AnyConnect Secure Mobility Client 2.x / 3.x < 3.1(3103) Host Scan Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
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Patch: tools.cisco.com

Timelineinfo

01/11/2013 🔍
04/10/2013 +89 days 🔍
04/10/2013 +0 days 🔍
04/10/2013 +0 days 🔍
04/10/2013 +0 days 🔍
04/11/2013 +1 days 🔍
04/12/2013 +1 days 🔍
04/15/2013 +3 days 🔍
04/21/2013 +6 days 🔍
05/08/2021 +2939 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: CSCud14143
Organization: Cisco
Status: Confirmed

CVE: CVE-2013-1173 (🔍)
GCVE (CVE): GCVE-0-2013-1173
GCVE (VulDB): GCVE-100-8239
X-Force: 83390
SecurityFocus: 59036 - Cisco AnyConnect Secure Mobility Client Heap Overflow Local Privilege Escalation Vulnerability
Secunia: 53015 - Cisco AnyConnect VPN Client Multiple Privilege Escalation Vulnerabilities, Less Critical
OSVDB: 92219
Vulnerability Center: 39263 - Cisco AnyConnect Secure Mobility Client Cisco Security Service Buffer Overflow in ciscod.exe Allows Local Privilege Escalation via Unspecified Vectors, High

Misc.: 🔍
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Entryinfo

Created: 04/15/2013 16:11
Updated: 05/08/2021 08:47
Changes: 04/15/2013 16:11 (75), 04/27/2017 17:14 (3), 05/08/2021 08:47 (3)
Complete: 🔍
Cache ID: 216::103

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

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