Cisco Intrusion Prevention System 7.1(4)E4 IP Stack Packet memory corruption

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

A vulnerability was found in Cisco Intrusion Prevention System 7.1(4)E4 and classified as critical. This issue affects an unknown functionality of the component IP Stack. The manipulation as part of a Packet leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. The summary by CVE is:

The IP stack in Cisco Intrusion Prevention System (IPS) Software in ASA 5500-X IPS-SSP software and hardware modules before 7.1(5)E4, IPS 4500 sensors before 7.1(6)E4, and IPS 4300 sensors before 7.1(5)E4 allows remote attackers to cause a denial of service (MainApp process hang) via malformed IPv4 packets, aka Bug ID CSCtx18596.

The weakness was presented 07/17/2013 as cisco-sa-20130717-ips as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. The identification of this vulnerability is CVE-2013-1243 since 01/11/2013. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 69103 (Multiple Vulnerabilities in Cisco Intrusion Prevention System Software (cisco-sa-20130717-ips)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO.

Upgrading to version 7.1(7)E4 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 (85785) and Tenable (69103). See 9564, 9565 and 9566 for similar entries.

Productinfo

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Version

License

Support

  • end of life (old version)

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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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: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 69103
Nessus Name: Multiple Vulnerabilities in Cisco Intrusion Prevention System Software (cisco-sa-20130717-ips)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Intrusion Prevention System 7.1(7)E4

Timelineinfo

01/11/2013 🔍
07/17/2013 +187 days 🔍
07/17/2013 +0 days 🔍
07/17/2013 +0 days 🔍
07/17/2013 +0 days 🔍
07/18/2013 +1 days 🔍
07/18/2013 +0 days 🔍
07/19/2013 +1 days 🔍
07/21/2013 +2 days 🔍
05/18/2021 +2858 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20130717-ips
Status: Confirmed

CVE: CVE-2013-1243 (🔍)
IAVM: 🔍

X-Force: 85785
Vulnerability Center: 40619 - [cisco-sa-20130717-ips] Cisco IPS 7.1 - 7.1(4)E4 Remote DoS Vulnerability by Malformed IP Packets (CVE-2013-1243), High
SecurityFocus: 61294 - Cisco IPS Software CVE-2013-1243 Denial of Service Vulnerability
Secunia: 54247 - Cisco Intrusion Prevention System IP Packets Denial of Service Vulnerability, Less Critical
OSVDB: 95393

See also: 🔍

Entryinfo

Created: 07/19/2013 11:52
Updated: 05/18/2021 23:26
Changes: 07/19/2013 11:52 (75), 05/06/2017 19:20 (3), 05/18/2021 23:26 (3)
Complete: 🔍

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