| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 9.5 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical was found in Mozilla Firefox. Affected is an unknown function. Such manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2011-2996. The attack can be launched remotely. No exploit exists. Upgrading the affected component is advised.
Details
A vulnerability, which was classified as very critical, has been found in Mozilla Firefox (Web Browser). Affected by this issue is an unknown function. 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. CVE summarizes:
Unspecified vulnerability in the plugin API in Mozilla Firefox 3.6.x before 3.6.23 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.
The weakness was disclosed 09/28/2011 as Bug 555018 as not defined bug report (Bugzilla). The advisory is shared for download at bugzilla.mozilla.org. This vulnerability is handled as CVE-2011-2996 since 08/01/2011. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 11/20/2021).
The vulnerability scanner Nessus provides a plugin with the ID 56323 (FreeBSD : Mozilla -- multiple vulnerabilities (1fade8a3-e9e8-11e0-9580-4061862b8c22)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 119622 (Mozilla Firefox, SeaMonkey, Thunderbird Multiple Vulnerabilities (MFSA-2011-36 through MFSA-2011-45)).
Upgrading to version 3.6.2 eliminates this vulnerability.
The vulnerability is also documented in the databases at Tenable (56323), SecurityFocus (BID 49845†) and Vulnerability Center (SBV-33352†). The entries VDB-58781, VDB-58780, VDB-58778 and VDB-58777 are pretty similar. Once again VulDB remains the best source for vulnerability data.
Product
Type
Vendor
Name
Version
- 3.6
- 3.6.2
- 3.6.3
- 3.6.4
- 3.6.6
- 3.6.7
- 3.6.8
- 3.6.9
- 3.6.10
- 3.6.11
- 3.6.12
- 3.6.13
- 3.6.14
- 3.6.15
- 3.6.16
- 3.6.17
- 3.6.18
- 3.6.19
- 3.6.20
- 3.6.21
- 3.6.22
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: 9.5
VulDB Base Score: 10.0
VulDB Temp Score: 9.5
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: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 56323
Nessus Name: FreeBSD : Mozilla -- multiple vulnerabilities (1fade8a3-e9e8-11e0-9580-4061862b8c22)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
OpenVAS ID: 70413
OpenVAS Name: FreeBSD Ports: firefox
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Firefox 3.6.2
Timeline
08/01/2011 🔍09/27/2011 🔍
09/28/2011 🔍
09/28/2011 🔍
10/02/2011 🔍
03/23/2015 🔍
11/20/2021 🔍
Sources
Vendor: mozilla.orgProduct: mozilla.org
Advisory: Bug 555018
Status: Not defined
Confirmation: 🔍
CVE: CVE-2011-2996 (🔍)
GCVE (CVE): GCVE-0-2011-2996
GCVE (VulDB): GCVE-100-58772
OVAL: 🔍
SecurityFocus: 49845
Vulnerability Center: 33352 - API Plugin in Mozilla Firefox Remote Denial of Service or Arbitrary Code Execution Vulnerability, Medium
See also: 🔍
Entry
Created: 03/23/2015 16:50Updated: 11/20/2021 19:47
Changes: 03/23/2015 16:50 (61), 04/07/2017 18:26 (9), 11/20/2021 19:47 (2)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.

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