Cisco ASA 8.4(7.3) SSL VPN Portal Memory resource management

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

Summaryinfo

A vulnerability classified as problematic was found in Cisco ASA 8.4(7.3). This issue affects some unknown processing of the component SSL VPN Portal. The manipulation results in resource management (Memory). This vulnerability is reported as CVE-2014-3407. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic has been found in Cisco ASA 8.4(7.3) (Firewall Software). Affected is an unknown function of the component SSL VPN Portal. The manipulation with an unknown input leads to a resource management vulnerability (Memory). CWE is classifying the issue as CWE-399. This is going to have an impact on availability.

The weakness was disclosed 11/26/2014 with Cisco as CSCuq68888 as confirmed security notice (Website). The advisory is shared for download at tools.cisco.com. This vulnerability is traded as CVE-2014-3407 since 05/07/2014. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The advisory points out:

Crafted HTTP request may cause the 64K Blocks depletion

The vulnerability scanner Nessus provides a plugin with the ID 79803 , which helps to determine the existence of the flaw in a target environment. It is . The commercial vulnerability scanner Qualys is able to test this issue with plugin 43428 (Cisco ASA Software SSL VPN Memory Blocks Exhaustion Vulnerability (CSCuq68888)). The advisory illustrates:

webvpn needs to be enabled. This can be verified by doing show run webvpn and checking if webvpn enable command is present. Block depletion can be checked by executing show block at regular interval

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (98995), Tenable (79803), SecurityFocus (BID 71317†), SecurityTracker (ID 1031269†) and Vulnerability Center (SBV-47326†). Further details are available at tools.cisco.com. VulDB is the best source for vulnerability data and more expert information about this specific topic.

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: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Name: Memory
Class: Resource management / Memory
CWE: CWE-399 / CWE-404
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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Nessus ID: 79803
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Port: 🔍

OpenVAS ID: 867280
OpenVAS Name: Fedora Update for drupal7 FEDORA-2014-13030
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Timelineinfo

05/07/2014 🔍
10/29/2014 +175 days 🔍
11/26/2014 +28 days 🔍
11/26/2014 +0 days 🔍
11/26/2014 +0 days 🔍
11/27/2014 +1 days 🔍
11/27/2014 +0 days 🔍
11/27/2014 +0 days 🔍
11/30/2014 +3 days 🔍
12/08/2014 +8 days 🔍
12/17/2024 +3662 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: CSCuq68888
Organization: Cisco
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-3407 (🔍)
GCVE (CVE): GCVE-0-2014-3407
GCVE (VulDB): GCVE-100-68292
X-Force: 98995 - Cisco Adaptive Security Appliance SSL VPN denial of service, Medium Risk
SecurityFocus: 71317 - Cisco Adaptive Security Appliance (ASA) Software CVE-2014-3407 Denial of Service Vulnerability
SecurityTracker: 1031269 - Cisco ASA SSL VPN Memory Consumption Error Lets Remote Users Deny Service
Vulnerability Center: 47326 - Cisco ASA 9.3(.2) and Earlier Remote DoS via Crafted Packets, Medium

Misc.: 🔍

Entryinfo

Created: 11/27/2014 12:08
Updated: 12/17/2024 08:33
Changes: 11/27/2014 12:08 (79), 06/13/2017 08:35 (5), 02/27/2022 09:57 (3), 02/27/2022 10:00 (1), 12/17/2024 08:33 (16)
Complete: 🔍
Cache ID: 216:25F:103

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