Cisco ASA up to 9.1.3 IPv6 Network Address Translation IPv6 Packet input validation

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco ASA up to 9.1.3 and classified as critical. The affected element is an unknown function of the component IPv6 Network Address Translation Handler. Such manipulation as part of IPv6 Packet leads to input validation. This vulnerability is traded as CVE-2013-5560. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco ASA up to 9.1.3 (Firewall Software). It has been rated as critical. Affected by this issue is an unknown code of the component IPv6 Network Address Translation Handler. The manipulation as part of a IPv6 Packet leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. CVE summarizes:

The IPv6 implementation in Cisco Adaptive Security Appliance (ASA) Software 9.1.3 and earlier, when NAT64 or NAT66 is enabled, does not properly process NAT rules, which allows remote attackers to cause a denial of service (device reload) via crafted packets, aka Bug ID CSCue34342.

The weakness was shared 11/11/2013 with Cisco as Cisco ASA IPv6 NAT Denial of Service Vulnerability as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability is handled as CVE-2013-5560 since 08/22/2013. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 43396 (Cisco ASA IPv6 NAT Denial of Service Vulnerability (CSCue34342)).

Upgrading to version CSCue34342 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 (88652), SecurityFocus (BID 63650†), OSVDB (99745†) and Vulnerability Center (SBV-42434†). Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
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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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: ASA CSCue34342

Timelineinfo

08/22/2013 🔍
11/11/2013 +81 days 🔍
11/11/2013 +0 days 🔍
11/11/2013 +0 days 🔍
11/11/2013 +0 days 🔍
11/13/2013 +2 days 🔍
11/18/2013 +5 days 🔍
12/02/2013 +14 days 🔍
12/24/2024 +4040 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: Cisco ASA IPv6 NAT Denial of Service Vulnerability
Organization: Cisco
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2013-5560 (🔍)
GCVE (CVE): GCVE-0-2013-5560
GCVE (VulDB): GCVE-100-11204
X-Force: 88652
SecurityFocus: 63650 - Cisco Adaptive Security Appliance IPv6 NAT Logic Denial of Service Vulnerability
OSVDB: 99745
Vulnerability Center: 42434 - Cisco ASA <=9.1.3 Remote DoS Vulnerability when NAT64 or NAT66 Enabled, Medium

Entryinfo

Created: 11/18/2013 17:19
Updated: 12/24/2024 15:27
Changes: 11/18/2013 17:19 (66), 05/16/2017 04:30 (3), 12/24/2024 15:27 (18)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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