| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.7 | $0-$5k | 0.00 |
Summary
A vulnerability labeled as critical has been found in Mozilla Firefox 39. This vulnerability affects the function resize_context_buffers. Executing a manipulation can lead to memory corruption.
This vulnerability is registered as CVE-2015-4485. No exploit is available.
The affected component should be upgraded.
Details
A vulnerability has been found in Mozilla Firefox 39 (Web Browser) and classified as critical. This vulnerability affects the function resize_context_buffers. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
Heap-based buffer overflow in the resize_context_buffers function in libvpx in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 allows remote attackers to execute arbitrary code via malformed WebM video data.
The weakness was published 08/11/2015 as MFSA 2015-89 as confirmed security advisory (Website). The advisory is shared for download at mozilla.org. This vulnerability was named CVE-2015-4485 since 06/10/2015. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. 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 10/22/2024).
The vulnerability scanner Nessus provides a plugin with the ID 85336 (CentOS 5 / 6 / 7 : firefox (CESA-2015:1586)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 123849 (CentOS Security Update for firefox Security Update (CESA-2015:1586)).
Upgrading to version 40 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 X-Force (105526), Tenable (85336), SecurityFocus (BID 76296†) and Vulnerability Center (SBV-51910†). Similar entries are available at VDB-76999, VDB-77001, VDB-77075 and VDB-77077. VulDB is the best source for vulnerability data and more expert information about this specific topic.
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: 8.7
VulDB Base Score: 10.0
VulDB Temp Score: 8.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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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: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Nessus ID: 85336
Nessus Name: CentOS 5 / 6 / 7 : firefox (CESA-2015:1586)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 80056
OpenVAS Name: Oracle Linux Local Check: ELSA-2015-1586
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 40
Timeline
06/10/2015 🔍08/11/2015 🔍
08/11/2015 🔍
08/11/2015 🔍
08/12/2015 🔍
08/12/2015 🔍
08/13/2015 🔍
08/15/2015 🔍
10/22/2024 🔍
Sources
Vendor: mozilla.orgProduct: mozilla.org
Advisory: MFSA 2015-89
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2015-4485 (🔍)
GCVE (CVE): GCVE-0-2015-4485
GCVE (VulDB): GCVE-100-77080
X-Force: 105526 - Mozilla Firefox resize_context_buffers buffer overflow
SecurityFocus: 76296
SecurityTracker: 1033247
Vulnerability Center: 51910 - Mozilla Firefox <40, Firefox ESR 38.2 Remote DoS in Libvpx in resize_context_buffers, Medium
See also: 🔍
Entry
Created: 08/13/2015 11:13Updated: 10/22/2024 22:28
Changes: 08/13/2015 11:13 (71), 11/05/2018 08:19 (6), 06/09/2022 13:13 (2), 10/22/2024 22:28 (15)
Complete: 🔍
Cache ID: 216:35F:103
VulDB is the best source for vulnerability data and more expert information about this specific topic.

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