Cisco IOS 12.2 HTTP GET Request memory corruption

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6.6$0-$5k0.00

A vulnerability was found in Cisco IOS 12.2 (Router Operating System). It has been classified as critical. This affects an unknown part of the component HTTP GET Request Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. This is going to have an impact on confidentiality, integrity, and availability.

The bug was discovered 07/31/2003. The weakness was presented 07/30/2003 by FX with Phenoelit (Website). The advisory is shared at cisco.com. This vulnerability is uniquely identified as CVE-2003-0647 since 08/04/2003. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available.

After 2 weeks, there has been an exploit disclosed. It is declared as proof-of-concept. The exploit is shared for download at phenoelit.de. We expect the 0-day to have been worth approximately $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 17787 (Cisco IOS Software Overly Long GET Request Causes Buffer Overflow in HTTP Server), 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 local. The commercial vulnerability scanner Qualys is able to test this issue with plugin 43054 (Cisco IOS 2GB HTTP GET Buffer Overflow Vulnerability).

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at cisco.com. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 8373), X-Force (12784), Secunia (SA9397), Vulnerability Center (SBV-1710) and Tenable (17787). Further details are available at cisco.com. See 201 for similar entry.

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VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

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Exploitinginfoedit

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

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 17787
Nessus Name: Cisco IOS Software Overly Long GET Request Causes Buffer Overflow in HTTP Server
Nessus File: 🔍
Nessus Risk: 🔍
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Threat Intelligenceinfoedit

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Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

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Patch: cisco.com

Timelineinfoedit

07/30/2003 🔍
07/30/2003 +0 days 🔍
07/30/2003 +0 days 🔍
07/31/2003 +1 days 🔍
07/31/2003 +0 days 🔍
07/31/2003 +0 days 🔍
07/31/2003 +0 days 🔍
08/04/2003 +3 days 🔍
08/08/2003 +4 days 🔍
08/19/2003 +11 days 🔍
08/27/2003 +8 days 🔍
01/10/2012 +3058 days 🔍
07/27/2018 +2390 days 🔍
06/26/2019 +334 days 🔍

Sourcesinfoedit

Vendor: https://www.cisco.com/

Advisory: cisco.com
Researcher: FX
Organization: Phenoelit
Status: Not defined

CVE: CVE-2003-0647 (🔍)
SecurityFocus: 8373 - Cisco IOS 2GB HTTP GET Buffer Overflow Vulnerability
Secunia: 9397 - Cisco IOS Long HTTP Request Buffer Overflow, Moderately Critical
X-Force: 12784
Vulnerability Center: 1710 - [cisco-sn-20030730-ios-2gb-get] Buffer Overflow in Cisco IOS HTTP Server via Long HTTP Requests, Medium
OSVDB: 2342 - Cisco IOS Long HTTP GET Request Overflow

scip Labs: https://www.scip.ch/en/?labs.20161013
Misc.: 🔍
See also: 🔍

Entryinfoedit

Created: 07/31/2003 03:37 PM
Updated: 06/26/2019 10:41 AM
Changes: (3) countermeasure_date source_securityfocus_date source_securityfocus_class
Complete: 🔍

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