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

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Cisco Intrusion Prevention System 7.1(4)E4. This issue affects some unknown processing of the component IP Stack. The manipulation as part of Packet leads to memory corruption. This vulnerability is listed as CVE-2013-1243. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

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), Tenable (69103), SecurityFocus (BID 61294†), OSVDB (95393†) and Secunia (SA54247†). See VDB-9564, VDB-9565 and VDB-9566 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

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

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

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: 🔍
Active Actors: 🔍
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 (🔍)
GCVE (CVE): GCVE-0-2013-1243
GCVE (VulDB): GCVE-100-9563

IAVM: 🔍

X-Force: 85785
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
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

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: 🔍
Committer:
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!