Fortinet FortiWeb 5.0.2 HTTP Header response splitting

CVSS Meta Temp Score
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CTI Interest Score
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3.8$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Fortinet FortiWeb 5.0.2. Affected by this issue is some unknown functionality of the component HTTP Header Handler. Performing a manipulation results in response splitting. This vulnerability is reported as CVE-2014-1956. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Fortinet FortiWeb 5.0.2. This affects an unknown code of the component HTTP Header Handler. The manipulation with an unknown input leads to a response splitting vulnerability. CWE is classifying the issue as CWE-113. The product receives data from an HTTP agent/component (e.g., web server, proxy, browser, etc.), but it does not neutralize or incorrectly neutralizes CR and LF characters before the data is included in outgoing HTTP headers. This is going to have an impact on integrity. The summary by CVE is:

CRLF injection vulnerability in FortiGuard FortiWeb before 5.0.3 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via unspecified vectors.

The weakness was disclosed 02/13/2014 by Robert van Hamburg with Intermax Security as FG-IR-13-009 as confirmed advisory (Website). It is possible to read the advisory at fortiguard.com. This vulnerability is uniquely identified as CVE-2014-1956 since 02/12/2014. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 73528 (Fortinet FortiWeb 4.x / 5.x < 5.0.3 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses.

Upgrading to version 5.0.3 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (91247), Tenable (73528), SecurityFocus (BID 65660†), Secunia (SA56981†) and Vulnerability Center (SBV-44321†). The entries VDB-12386 and VDB-12388 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 3.8

VulDB Base Score: 4.3
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Response splitting
CWE: CWE-113 / CWE-93 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 73528
Nessus Name: Fortinet FortiWeb 4.x / 5.x < 5.0.3 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: FortiWeb 5.0.3

Timelineinfo

02/12/2014 🔍
02/13/2014 +1 days 🔍
02/13/2014 +0 days 🔍
02/13/2014 +0 days 🔍
02/19/2014 +6 days 🔍
02/24/2014 +5 days 🔍
04/30/2014 +65 days 🔍
04/30/2014 +0 days 🔍
06/09/2021 +2597 days 🔍

Sourcesinfo

Vendor: fortinet.com

Advisory: FG-IR-13-009
Researcher: Robert van Hamburg
Organization: Intermax Security
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-1956 (🔍)
GCVE (CVE): GCVE-0-2014-1956
GCVE (VulDB): GCVE-100-12387
X-Force: 91247 - FortiGuard FortiWeb response splitting, Medium Risk
SecurityFocus: 65660 - Fortinet Fortiweb Multiple Security Vulnerabilities
Secunia: 56981 - FortiWeb Multiple Vulnerabilities, Less Critical
Vulnerability Center: 44321 - FortiGuard FortiWeb before 4.4.7, 5.0 - 5.0.2 Remote Response Splitting due to HTTP Header Injection, Medium

See also: 🔍

Entryinfo

Created: 02/24/2014 08:00
Updated: 06/09/2021 18:54
Changes: 02/24/2014 08:00 (72), 05/27/2017 10:19 (5), 06/09/2021 18:54 (3)
Complete: 🔍
Committer: olku
Cache ID: 216:26D:103

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