Mozilla Firefox up to 18.0.2 DoCharsetConversion memory corruption

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 9.0 | $0-$5k | 0.00 |
Summary
A vulnerability categorized as critical has been discovered in Mozilla Firefox up to 18.0.2. This impacts the function nsSaveAsCharset::DoCharsetConversion. The manipulation results in memory corruption.
This vulnerability is cataloged as CVE-2013-0782. Furthermore, there is an exploit available.
It is advisable to upgrade the affected component.
Details
A vulnerability was found in Mozilla Firefox up to 18.0.2 (Web Browser). It has been classified as critical. Affected is the function nsSaveAsCharset::DoCharsetConversion. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
Heap-based buffer overflow in the nsSaveAsCharset::DoCharsetConversion function in Mozilla Firefox before 19.0, Firefox ESR 17.x before 17.0.3, Thunderbird before 17.0.3, Thunderbird ESR 17.x before 17.0.3, and SeaMonkey before 2.16 allows remote attackers to execute arbitrary code via unspecified vectors.
The weakness was shared 02/19/2013 by Abhishek Arya (Inferno) with Google Chrome Security Team as MFSA 2013-28 as confirmed advisory (Mozilla Blog). The advisory is shared for download at mozilla.org. The vendor cooperated in the coordination of the public release. This vulnerability is traded as CVE-2013-0782 since 01/02/2013. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a private exploit are known.
It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 64692 (CentOS 5 / 6 : devhelp / firefox / libproxy / xulrunner / yelp (CESA-2013:0271)), 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 120882 (Red Hat Update for Xulrunner Firefox (RHSA-2013:0271)).
Upgrading to version 19.0 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at Tenable (64692), SecurityFocus (BID 58030†), OSVDB (90421†), Secunia (SA52240†) and SecurityTracker (ID 1028162†). The entries VDB-7761, VDB-7762, VDB-7763 and VDB-7765 are related to this item. Once again VulDB remains the best source for 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: 10.0VulDB Meta Temp Score: 9.0
VulDB Base Score: 10.0
VulDB Temp Score: 9.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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: 🔍
Access: Private
Status: Proof-of-Concept
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 64692
Nessus Name: CentOS 5 / 6 : devhelp / firefox / libproxy / xulrunner / yelp (CESA-2013:0271)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
OpenVAS ID: 892699
OpenVAS Name: Debian Security Advisory DSA 2699-1 (iceweasel - several vulnerabilities
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 19.0
Timeline
01/02/2013 🔍02/19/2013 🔍
02/19/2013 🔍
02/19/2013 🔍
02/19/2013 🔍
02/19/2013 🔍
02/20/2013 🔍
02/20/2013 🔍
02/20/2013 🔍
02/21/2013 🔍
05/05/2021 🔍
Sources
Vendor: mozilla.orgProduct: mozilla.org
Advisory: MFSA 2013-28
Researcher: Abhishek Arya (Inferno)
Organization: Google Chrome Security Team
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍
CVE: CVE-2013-0782 (🔍)
GCVE (CVE): GCVE-0-2013-0782
GCVE (VulDB): GCVE-100-7764
OVAL: 🔍
SecurityFocus: 58030 - Mozilla Firefox/Thunderbird/SeaMonkey MFSA 2013-21 through -28 Multiple Vulnerabilities
Secunia: 52240 - Ubuntu update for firefox, Highly Critical
OSVDB: 90421
SecurityTracker: 1028162 - Mozilla Firefox Multiple Bugs Let Remote Users Execute Arbitrary Code and Obtain Potentially Sensitive Information
Vulnerability Center: 38494 - Mozilla Web Browsers nsSaveAsCharset::DoCharsetConversion Heap Based Buffer Overflow Vulnerability, Medium
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍
Entry
Created: 02/21/2013 15:07Updated: 05/05/2021 11:17
Changes: 02/21/2013 15:07 (87), 04/24/2017 20:05 (5), 05/05/2021 11:17 (2)
Complete: 🔍
Committer:
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
No comments yet. Languages: en.
Please log in to comment.