VDB-3492 · SA27907 · OSVDB 39005

Mozilla Firefox cross site scripting

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Mozilla Firefox. It has been declared as problematic. Impacted is an unknown function. The manipulation results in cross site scripting. The attack can be launched remotely. Moreover, an exploit is present. Disabling the affected component is suggested.

Detailsinfo

A vulnerability classified as problematic has been found in Mozilla Firefox (Web Browser) (version now known). Affected is some unknown processing. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-80. The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 12/04/2007 by Paul Szabo (Website). The advisory is shared for download at lists.grok.org.uk. It is possible to launch the attack remotely. Successful exploitation requires user interaction by the victim. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k.

The best possible mitigation is suggested to be disabling the affected component.

The vulnerability is also documented in the databases at OSVDB (39005†) and Secunia (SA27907†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.5
VulDB Temp Score: 5.2
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-80 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Disable
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/04/2007 🔍
12/04/2007 +0 days 🔍
12/18/2007 +13 days 🔍
04/23/2018 +3779 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: lists.grok.org.uk
Researcher: Paul Szabo
Status: Not defined

GCVE (VulDB): GCVE-100-3492
Secunia: 27907 - Firefox Charset Inheritance Cross-Site Scripting Security Issue, Not Critical
OSVDB: 39005 - Firefox Imbedded IFRAME Charset Inheritance UTF-7 XSS

Entryinfo

Created: 12/18/2007 17:25
Updated: 04/23/2018 17:52
Changes: 12/18/2007 17:25 (46), 04/23/2018 17:52 (5)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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