Cisco IOS up to 12.4xw HTTP Deep Packet Inspection input validation
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.7 | $0-$5k | 0.00 |
A vulnerability was found in Cisco IOS up to 12.4xw (Router Operating System) and classified as critical. This issue affects an unknown functionality of the component HTTP Deep Packet Inspection. The manipulation with an unknown input 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. The summary by CVE is:
Cisco IOS 12.4, when IOS firewall Application Inspection Control (AIC) with HTTP Deep Packet Inspection is enabled, allows remote attackers to cause a denial of service (device reload) via a malformed HTTP transit packet.
The bug was discovered 09/24/2008. The weakness was presented 09/26/2008 with Cisco (Website). The advisory is shared at cisco.com. The identification of this vulnerability is CVE-2008-3812 since 08/27/2008. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.
It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 49018 (Cisco IOS Software Firewall Application Inspection Control Vulnerability), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO and running in the context l.
Applying a patch is able to eliminate this problem. A possible mitigation has been published even before and not after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at X-Force (45375) and Tenable (49018). See 44214, 44212, 44211 and 44210 for similar entries.
Product
Type
Vendor
Name
Version
License
Support
- end of life (old version)
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
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CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 6.7
VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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Exploiting
Class: Input validationCWE: CWE-20
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Proof-of-Concept
EPSS Score: 🔍
EPSS Percentile: 🔍
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Current Price Estimation: 🔍
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Nessus ID: 49018
Nessus Name: Cisco IOS Software Firewall Application Inspection Control Vulnerability
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Timeline
08/27/2008 🔍09/24/2008 🔍
09/24/2008 🔍
09/24/2008 🔍
09/24/2008 🔍
09/24/2008 🔍
09/25/2008 🔍
09/26/2008 🔍
09/26/2008 🔍
09/01/2010 🔍
03/17/2015 🔍
08/17/2019 🔍
Sources
Vendor: cisco.comAdvisory: cisco.com
Organization: Cisco
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2008-3812 (🔍)
OVAL: 🔍
X-Force: 45375
SecurityTracker: 1020929
Vulnerability Center: 19570 - [cisco-sa-20080924-iosfw] Cisco IOS AIC Vulnerability Allows Remote DoS via Crafted HTTP Packet, Medium
SecurityFocus: 31354 - Cisco IOS AIC HTTP Transit Packet Remote Denial of Service Vulnerability
Secunia: 31990
OSVDB: 48734 - CVE-2008-3812 - Cisco - IOS - Denial-of-Service Issue
Vupen: ADV-2008-2670
See also: 🔍
Entry
Created: 03/17/2015 16:11Updated: 08/17/2019 14:49
Changes: 03/17/2015 16:11 (68), 08/17/2019 14:49 (13)
Complete: 🔍
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