Mozilla Firefox up to 1.5.0.3 Header Content-Length Remote Code Execution

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.
7.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Mozilla Firefox up to 1.5.0.3. It has been classified as critical. The affected element is an unknown function of the component Header Handler. The manipulation of the argument Content-Length leads to an unknown weakness. This vulnerability is uniquely identified as CVE-2011-2668. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Mozilla Firefox up to 1.5.0.3 (Web Browser) and classified as critical. This issue affects an unknown code block of the component Header Handler. The manipulation of the argument Content-Length with an unknown input leads to a unknown weakness. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Mozilla Firefox through 1.5.0.3 has a vulnerability in processing the content-length header

The weakness was disclosed 04/21/2023. The advisory is shared at jvn.jp. The identification of this vulnerability is CVE-2011-2668 since 07/07/2011. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/21/2023).

Upgrading eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Remote Code Execution
CWE: Unknown
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/07/2011 🔍
04/21/2023 +4306 days 🔍
04/21/2023 +0 days 🔍
04/21/2023 +0 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: jvn.jp
Status: Confirmed

CVE: CVE-2011-2668 (🔍)
GCVE (CVE): GCVE-0-2011-2668
GCVE (VulDB): GCVE-100-227057

Entryinfo

Created: 04/21/2023 22:36
Changes: 04/21/2023 22:36 (56)
Complete: 🔍
Cache ID: 216::103

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