Cisco IOS 15.1/15.2 denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco IOS 15.1/15.2. It has been declared as problematic. Affected is an unknown function. The manipulation results in denial of service. This vulnerability is reported as CVE-2012-3924. No exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Cisco IOS 15.1/15.2 (Router Operating System). Affected is some unknown processing. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

The SSLVPN implementation in Cisco IOS 15.1 and 15.2, when DTLS is enabled, does not properly handle certain outbound ACL configurations, which allows remote authenticated users to cause a denial of service (device crash) via a session involving a PPP over ATM (PPPoA) interface, aka Bug ID CSCty97961.

The weakness was disclosed 09/16/2012 with Cisco (Website). The advisory is shared for download at xforce.iss.net. This vulnerability is traded as CVE-2012-3924 since 07/10/2012. It is possible to launch the attack remotely. Required for exploitation is a authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 04/17/2017).

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 X-Force (78672), SecurityFocus (BID 55604†) and Vulnerability Center (SBV-36173†). The entry VDB-62291 is pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
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: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/10/2012 🔍
09/16/2012 +68 days 🔍
09/16/2012 +0 days 🔍
09/19/2012 +3 days 🔍
09/19/2012 +0 days 🔍
09/20/2012 +1 days 🔍
03/24/2015 +915 days 🔍
04/17/2017 +755 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: xforce.iss.net
Organization: Cisco
Status: Not defined
Confirmation: 🔍

CVE: CVE-2012-3924 (🔍)
GCVE (CVE): GCVE-0-2012-3924
GCVE (VulDB): GCVE-100-62292
X-Force: 78672
SecurityFocus: 55604 - Cisco IOS SSLVPN Multiple Denial of Service Vulnerabilities
Vulnerability Center: 36173 - Cisco IOS SSLVPN Improper ACL Configurations Handling Allows Remote DoS via PPPoA - CVE-2012-3924, Medium

See also: 🔍

Entryinfo

Created: 03/24/2015 12:22
Updated: 04/17/2017 11:03
Changes: 03/24/2015 12:22 (48), 04/17/2017 11:03 (12)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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