Mozilla Firefox up to 7.0 HTTP 0.9 Error cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Mozilla Firefox up to 7.0. This vulnerability affects unknown code of the component HTTP 0.9 Error Handler. Executing a manipulation can lead to cross site scripting. This vulnerability is tracked as CVE-2011-3656. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Mozilla Firefox up to 7.0 (Web Browser). This vulnerability affects an unknown functionality of the component HTTP 0.9 Error Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity.

The weakness was disclosed 06/02/2021. The advisory is shared for download at bugzilla.mozilla.org. This vulnerability was named CVE-2011-3656. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

The vulnerability scanner Nessus provides a plugin with the ID 217471 (Linux Distros Unpatched Vulnerability : CVE-2011-3656), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 8.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (217471). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 217471
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2011-3656

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Firefox 8.0

Timelineinfo

09/23/2011 🔍
06/02/2021 +3540 days 🔍
06/02/2021 +0 days 🔍
03/04/2025 +1371 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: bugzilla.mozilla.org
Status: Confirmed

CVE: CVE-2011-3656 (🔍)
GCVE (CVE): GCVE-0-2011-3656
GCVE (VulDB): GCVE-100-176212

Entryinfo

Created: 06/02/2021 21:39
Updated: 03/04/2025 08:57
Changes: 06/02/2021 21:39 (40), 06/05/2021 11:44 (5), 03/04/2025 08:57 (16)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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