Mozilla Firefox/Thunderbird up to 1.5.0.3 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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5.7$0-$5k0.00

A vulnerability, which was classified as problematic, has been found in Mozilla Firefox and Thunderbird up to 1.5.0.3 (Web Browser). This issue affects an unknown part. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Certain privileged UI code in Mozilla Firefox and Thunderbird before 1.5.0.4 calls content-defined setters on an object prototype, which allows remote attackers to execute code at a higher privilege than intended.

The bug was discovered 06/01/2006. The weakness was presented 06/02/2006 by Mikolaj J. Habryn (moz_bug_r_a4) with Cybozu Labs as confirmed advisory (CERT.org). The advisory is shared at kb.cert.org. The identification of this vulnerability is CVE-2006-2776 since 06/02/2006. The exploitation is known to be easy. 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. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 22122 (RHEL 4 : thunderbird (RHSA-2006:0611)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Red Hat Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 156230 (Oracle Enterprise Linux Update for Firefox (ELSA-2006:0733,ELSA-2006:0675,ELSA-2006:0610)).

Upgrading to version 1.5.0.4 eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 4656.

The vulnerability is also documented in the databases at X-Force (26848) and Tenable (22122). See 2174, 2283, 2285 and 2282 for similar entries.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-80 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 22122
Nessus Name: RHEL 4 : thunderbird (RHSA-2006:0611)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 57153
OpenVAS Name: Debian Security Advisory DSA 1118-1 (mozilla)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Firefox/Thunderbird 1.5.0.4
TippingPoint: 🔍

Timelineinfo

06/01/2006 🔍
06/02/2006 +1 days 🔍
06/02/2006 +0 days 🔍
06/02/2006 +0 days 🔍
06/02/2006 +0 days 🔍
06/02/2006 +0 days 🔍
06/02/2006 +0 days 🔍
06/02/2006 +0 days 🔍
06/12/2006 +10 days 🔍
07/28/2006 +46 days 🔍
07/29/2006 +1 days 🔍
03/12/2015 +3148 days 🔍
06/20/2019 +1561 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: kb.cert.org
Researcher: Mikolaj J. Habryn (moz_bug_r_a4)
Organization: Cybozu Labs
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2006-2776 (🔍)
OVAL: 🔍

X-Force: 26848
SecurityTracker: 1016202
Vulnerability Center: 11887 - Mozilla Firefox \x26 Thunderbird Privileges Escalation via UI Code, High
SecurityFocus: 18228 - Mozilla Firefox, SeaMonkey, Camino, and Thunderbird Multiple Remote Vulnerabilities
Secunia: 20376 - Firefox Multiple Vulnerabilities, Highly Critical
OSVDB: 26310 - CVE-2006-2776 - Mozilla - Firefox and Thunderbird - Privilege Escalation Issue
Vupen: ADV-2006-2106

See also: 🔍

Entryinfo

Created: 03/12/2015 12:19
Updated: 06/20/2019 16:20
Changes: 03/12/2015 12:19 (93), 06/20/2019 16:20 (4)
Complete: 🔍

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