| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.8 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical has been found in Mozilla Firefox up to 46. Affected by this issue is some unknown functionality of the component SVG Element Handler. Performing a manipulation results in memory corruption. This vulnerability is identified as CVE-2016-2819. The attack can be initiated remotely. Additionally, an exploit exists. It is recommended to upgrade the affected component.
Details
A vulnerability was found in Mozilla Firefox up to 46 (Web Browser). It has been classified as critical. This affects some unknown processing of the component SVG Element Handler. 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. The summary by CVE is:
Heap-based buffer overflow in Mozilla Firefox before 47.0 and Firefox ESR 45.x before 45.2 allows remote attackers to execute arbitrary code via foreign-context HTML5 fragments, as demonstrated by fragments within an SVG element.
The weakness was released 06/13/2016 as Bug 1270381 as confirmed bug report (Bugzilla). It is possible to read the advisory at bugzilla.mozilla.org. This vulnerability is uniquely identified as CVE-2016-2819. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a public exploit is available.
A public exploit has been developed by Rh0 and been published 2 years after the advisory. The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 91546 (Firefox ESR 45.x < 45.2 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows. The commercial vulnerability scanner Qualys is able to test this issue with plugin 236025 (Red Hat Update for firefox (RHSA-2016:1217)).
Upgrading to version 47.0 eliminates this vulnerability.
The vulnerability is also documented in the databases at Exploit-DB (44293), Tenable (91546) and SecurityFocus (BID 91075†). Entries connected to this vulnerability are available at VDB-87889, VDB-87890, VDB-87892 and VDB-87893. Statistical analysis made it clear that VulDB provides the best quality 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: 8.0VulDB Meta Temp Score: 7.8
VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.8
NVD Vector: 🔍
CNA Base Score: 8.8
CNA Vector: 🔍
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: Public
Status: Proof-of-Concept
Author: Rh0
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 91546
Nessus Name: Firefox ESR 45.x < 45.2 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
OpenVAS ID: 855205
OpenVAS Name: Mozilla Firefox Esr Security Updates( mfsa_2016-49_2016-61 )-Windows
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Exploit Delay Time: 🔍
Upgrade: Firefox 47.0
Timeline
03/01/2016 🔍06/13/2016 🔍
06/13/2016 🔍
06/14/2016 🔍
03/16/2018 🔍
03/16/2018 🔍
10/23/2024 🔍
Sources
Vendor: mozilla.orgProduct: mozilla.org
Advisory: Bug 1270381
Status: Confirmed
CVE: CVE-2016-2819 (🔍)
GCVE (CVE): GCVE-0-2016-2819
GCVE (VulDB): GCVE-100-87891
OVAL: 🔍
SecurityFocus: 91075
SecurityTracker: 1036057
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍
Entry
Created: 06/14/2016 09:10Updated: 10/23/2024 03:55
Changes: 06/14/2016 09:10 (49), 03/19/2018 08:13 (22), 08/23/2022 13:23 (3), 08/23/2022 13:29 (11), 08/23/2022 13:36 (1), 10/23/2024 03:55 (26)
Complete: 🔍
Cache ID: 216:8CE:103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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