| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 9.2 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Mozilla Firefox ESR up to 10.0.4 and classified as critical. This vulnerability affects unknown code of the file jsinfer.cpp. Such manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2012-1939. The attack can be launched remotely. No exploit exists. It is suggested to upgrade the affected component.
Details
A vulnerability, which was classified as very critical, has been found in Mozilla Firefox ESR up to 10.0.4 (Web Browser). Affected by this issue is an unknown code of the file jsinfer.cpp. 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:
jsinfer.cpp in Mozilla Firefox ESR 10.x before 10.0.5 and Thunderbird ESR 10.x before 10.0.5 does not properly determine data types, which allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via crafted JavaScript code.
The weakness was disclosed 06/05/2012 by Christian Holler as 2012-34 as not defined knowledge base article (Website). The advisory is shared for download at mozilla.org. The public release has been coordinated in cooperation with the vendor. This vulnerability is handled as CVE-2012-1939 since 03/30/2012. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/21/2024).
The vulnerability scanner Nessus provides a plugin with the ID 802870 , which helps to determine the existence of the flaw in a target environment. The commercial vulnerability scanner Qualys is able to test this issue with plugin 120275 (Red Hat Update for Xulrunner Firefox (RHSA-2012:0710)).
Upgrading to version 10.0.5 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 (802870), SecurityFocus (BID 53797†), OSVDB (82666†), Secunia (SA49366†) and Vulnerability Center (SBV-35266†). The entries VDB-5434, VDB-5487, VDB-5489 and VDB-5490 are pretty similar. Once again VulDB remains the best source for vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.mozilla.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 9.6VulDB Meta Temp Score: 9.2
VulDB Base Score: 9.6
VulDB Temp Score: 9.2
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 |
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| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 802870
Nessus File: 🔍
Nessus Risk: 🔍
OpenVAS ID: 71477
OpenVAS Name: Debian Security Advisory DSA 2499-1 (icedove)
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 ESR 10.0.5
Timeline
03/30/2012 🔍06/05/2012 🔍
06/05/2012 🔍
06/05/2012 🔍
06/05/2012 🔍
06/05/2012 🔍
06/06/2012 🔍
06/06/2012 🔍
06/08/2012 🔍
06/19/2012 🔍
10/21/2024 🔍
Sources
Vendor: mozilla.orgAdvisory: 2012-34
Researcher: Christian Holler
Status: Not defined
Confirmation: 🔍
Coordinated: 🔍
CVE: CVE-2012-1939 (🔍)
GCVE (CVE): GCVE-0-2012-1939
GCVE (VulDB): GCVE-100-5492
OVAL: 🔍
SecurityFocus: 53797 - Mozilla Firefox/Thunderbird/SeaMonkey CVE-2012-1939 Memory Corruption Vulnerability
Secunia: 49366 - Mozilla Firefox / Thunderbird / SeaMonkey Multiple Vulnerabilities, Highly Critical
OSVDB: 82666
Vulnerability Center: 35266 - Mozilla Firefox, Thunderbird and SeaMonkey \x27jsinfer.cpp\x27 Memory-Corruption Vulnerability, Critical
See also: 🔍
Entry
Created: 06/08/2012 17:24Updated: 10/21/2024 15:39
Changes: 06/08/2012 17:24 (79), 01/31/2018 09:53 (4), 10/21/2024 15:39 (16)
Complete: 🔍
Cache ID: 216:843:103
Once again VulDB remains the best source for vulnerability data.

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