Mozilla Firefox/Thunderbird 15 IsPrevCharInNodeWhitespace memory corruption

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.2 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Mozilla Firefox and Thunderbird 15. It has been classified as critical. This affects the function nsHTMLEditor::IsPrevCharInNodeWhitespace. The manipulation leads to memory corruption.
This vulnerability is documented as CVE-2012-4180. The attack can be initiated remotely. There is not any exploit available.
Upgrading the affected component is recommended.
Details
A vulnerability was found in Mozilla Firefox and Thunderbird 15 (Web Browser). It has been rated as critical. This issue affects the function nsHTMLEditor::IsPrevCharInNodeWhitespace. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
Heap-based buffer overflow in the nsHTMLEditor::IsPrevCharInNodeWhitespace function in Mozilla Firefox before 16.0, Firefox ESR 10.x before 10.0.8, Thunderbird before 16.0, Thunderbird ESR 10.x before 10.0.8, and SeaMonkey before 2.13 allows remote attackers to execute arbitrary code via unspecified vectors.
The weakness was released 10/09/2012 by Abhishek Arya (Inferno) with Google Chrome Security Team as MFSA 2012-85 as confirmed advisory (Website). The advisory is shared at mozilla.org. The public release was coordinated with Mozilla. In general this flaw cannot be exploited through email in the Thunderbird and SeaMonkey products because scripting is disabled, but are potentially a risk in browser or browser-like contexts in those products. The identification of this vulnerability is CVE-2012-4180 since 08/08/2012. The exploitation is known to be difficult. 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 vulnerability scanner Nessus provides a plugin with the ID 62484 (CentOS 5 / 6 : firefox (CESA-2012:1350)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 120583 (Red Hat Update for Xulrunner Firefox (RHSA-2012:1350)).
Upgrading to version 16 eliminates this vulnerability. The upgrade is hosted for download at mozilla.org. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at X-Force (79158), Tenable (62484), SecurityFocus (BID 56126†), OSVDB (86099†) and Secunia (SA50856†). Entries connected to this vulnerability are available at VDB-6053, VDB-6636, VDB-6637 and VDB-6638. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.mozilla.org/
- Product: https://www.mozilla.org/en-US/firefox/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.3VulDB Meta Temp Score: 7.2
VulDB Base Score: 8.3
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
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: 62484
Nessus Name: CentOS 5 / 6 : firefox (CESA-2012:1350)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
OpenVAS ID: 72533
OpenVAS Name: Debian Security Advisory DSA 2565-1 (iceweasel)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: Firefox/Thunderbird 16
Timeline
08/08/2012 🔍10/09/2012 🔍
10/09/2012 🔍
10/09/2012 🔍
10/10/2012 🔍
10/10/2012 🔍
10/10/2012 🔍
10/10/2012 🔍
10/10/2012 🔍
10/11/2012 🔍
10/12/2012 🔍
10/22/2024 🔍
Sources
Vendor: mozilla.orgProduct: mozilla.org
Advisory: MFSA 2012-85
Researcher: Abhishek Arya (Inferno)
Organization: Google Chrome Security Team
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍
CVE: CVE-2012-4180 (🔍)
GCVE (CVE): GCVE-0-2012-4180
GCVE (VulDB): GCVE-100-6641
OVAL: 🔍
X-Force: 79158 - Mozilla Firefox, Thunderbird, and SeaMonkey nsHTMLEditor::IsPrevCharInNodeWhitespace() buffer overflow, High Risk
SecurityFocus: 56126 - Mozilla Firefox/Thunderbird/Seamonkey CVE-2012-4180 Buffer Overflow Vulnerability
Secunia: 50856 - Mozilla Firefox / Thunderbird Multiple Vulnerabilities, Highly Critical
OSVDB: 86099
SecurityTracker: 1027631 - Mozilla Firefox Multiple Bugs Let Remote Users Execute Arbitrary Code, Spoof Information, and Inject Scripting Code
Vulnerability Center: 36473 - Mozilla Firefox, Thunderbird and SeaMonkey nsHTMLEditor Heap-Based Buffer Overflow Vulnerability, Critical
See also: 🔍
Entry
Created: 10/12/2012 10:36Updated: 10/22/2024 03:28
Changes: 10/12/2012 10:36 (93), 01/31/2018 09:54 (6), 04/18/2021 07:27 (2), 10/22/2024 03:28 (17)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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