Cisco ASA 5500 up to 6.6 Content Security/Control Security Services HTTPS Packet memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Cisco ASA 5500 up to 6.6. Affected by this issue is some unknown functionality of the component Content Security/Control Security Services Module. This manipulation as part of HTTPS Packet causes memory corruption. This vulnerability appears as CVE-2016-1312. The attack may be initiated remotely. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco ASA 5500 up to 6.6 (Firewall Software). It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component Content Security/Control Security Services Module. The manipulation as part of a HTTPS Packet 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 availability. The summary by CVE is:

The HTTPS inspection engine in the Content Security and Control Security Services Module (CSC-SSM) 6.6 before 6.6.1164.0 for Cisco ASA 5500 devices allows remote attackers to cause a denial of service (memory consumption or device reload) via a flood of HTTPS packets, aka Bug ID CSCue76147.

The weakness was presented 03/09/2016 as CSCue76147 as confirmed advisory (Website). The advisory is shared at tools.cisco.com. This vulnerability is known as CVE-2016-1312. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 90066 (Cisco ASA Content Security and Control Security Services Module (CSC-SSM) DoS (cisco-sa-20160210-csc)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO.

Upgrading to version 6.6.1164.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (90066), SecurityFocus (BID 84281†), SecurityTracker (ID 1035230†) and Vulnerability Center (SBV-57173†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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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Nessus ID: 90066
Nessus Name: Cisco ASA Content Security and Control Security Services Module (CSC-SSM) DoS (cisco-sa-20160210-csc)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 800316
OpenVAS Name: Cisco ASA 5500 Devices Denial of Service Vulnerability - Mar16
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: ASA 5500 6.6.1164.0

Timelineinfo

01/04/2016 🔍
03/09/2016 +65 days 🔍
03/09/2016 +0 days 🔍
03/09/2016 +0 days 🔍
03/09/2016 +0 days 🔍
03/10/2016 +1 days 🔍
03/10/2016 +0 days 🔍
07/10/2022 +2313 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: CSCue76147
Status: Confirmed

CVE: CVE-2016-1312 (🔍)
GCVE (CVE): GCVE-0-2016-1312
GCVE (VulDB): GCVE-100-81313
SecurityFocus: 84281
SecurityTracker: 1035230 - Cisco ASA Content Security and Control Security Services Module HTTPS Packet Processing Error Lets Remote Users Consume Excessive Memory Resources
Vulnerability Center: 57173 - [cisco-sa-20160309-csc] Cisco ASA Remote DoS due to Improper Handling of HTTPS Packets Transiting, High

Entryinfo

Created: 03/10/2016 09:16
Updated: 07/10/2022 08:34
Changes: 03/10/2016 09:16 (45), 05/17/2018 23:25 (26), 07/10/2022 08:29 (3), 07/10/2022 08:33 (11), 07/10/2022 08:34 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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