Cisco IOS up to 12.2t denial of service

CVSS Meta Temp Score
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability has been found in Cisco IOS up to 12.2t and classified as problematic. This vulnerability affects unknown code. The manipulation leads to denial of service. This vulnerability is traded as CVE-2007-2688. There is no exploit available.

Detailsinfo

A vulnerability was found in Cisco IOS up to 12.2t (Router Operating System). It has been rated as critical. This issue affects an unknown part. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

The Cisco Intrusion Prevention System (IPS) and IOS with Firewall/IPS Feature Set do not properly handle certain full-width and half-width Unicode character encodings, which might allow remote attackers to evade detection of HTTP traffic.

The weakness was shared 05/14/2007 by Fatih Ozavci and Caglar Cakici as confirmed advisory (CERT.org). The advisory is shared at kb.cert.org. The identification of this vulnerability is CVE-2007-2688 since 05/15/2007. The exploitation is known to be easy. 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.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (34277), SecurityFocus (BID 23980†), OSVDB (35336†), Secunia (SA25302†) and SecurityTracker (ID 1018053†). The entries VDB-36860, VDB-36811, VDB-36810 and VDB-39534 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.5
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
McAfee IPS: 🔍
McAfee IPS Version: 🔍

Timelineinfo

05/14/2007 🔍
05/14/2007 +0 days 🔍
05/14/2007 +0 days 🔍
05/14/2007 +0 days 🔍
05/15/2007 +0 days 🔍
05/15/2007 +0 days 🔍
05/15/2007 +0 days 🔍
05/16/2007 +0 days 🔍
05/20/2007 +4 days 🔍
03/13/2015 +2854 days 🔍
01/25/2025 +3606 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: kb.cert.org
Researcher: Fatih Ozavci, Caglar Cakici
Status: Confirmed

CVE: CVE-2007-2688 (🔍)
GCVE (CVE): GCVE-0-2007-2688
GCVE (VulDB): GCVE-100-36809

OVAL: 🔍

CERT: 🔍
X-Force: 34277
SecurityFocus: 23980 - Multiple Products Full/Half Width Unicode Detection Evasion Vulnerability
Secunia: 25302
OSVDB: 35336 - Cisco Multiple Products HTTP Unicode Encoding Detection Bypass
SecurityTracker: 1018053
Vulnerability Center: 15146 - [cisco-sr-20070514-unicode] Multiple Vendors Content Scanning Systems and IPS Products HTTP Content Restrictions Bypass, Medium
Vupen: ADV-2007-1803

See also: 🔍

Entryinfo

Created: 03/13/2015 14:56
Updated: 01/25/2025 18:23
Changes: 03/13/2015 14:56 (54), 07/19/2019 12:12 (18), 01/25/2025 18:23 (17)
Complete: 🔍
Cache ID: 216::103

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

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