| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.4 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Mozilla Firefox up to 57.x and classified as problematic. This vulnerability affects unknown code of the component Skia. Executing a manipulation can lead to integer overflow. This vulnerability is tracked as CVE-2018-5095. The attack can be launched remotely. No exploit exists. It is suggested to upgrade the affected component.
Details
A vulnerability has been found in Mozilla Firefox up to 57.x (Web Browser) and classified as problematic. This vulnerability affects an unknown code of the component Skia. The manipulation with an unknown input leads to a integer overflow vulnerability. The CWE definition for the vulnerability is CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. As an impact it is known to affect availability.
The bug was discovered 01/23/2018. The weakness was disclosed 01/23/2018 by xisigr with Tencent as MFSA 2018-02 as confirmed security advisory (Website). The advisory is available at mozilla.org. This vulnerability was named CVE-2018-5095 since 01/03/2018. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.
The vulnerability scanner Nessus provides a plugin with the ID 106790 (Ubuntu 14.04 LTS / 16.04 LTS / 17.10 : firefox regressions (USN-3544-2)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 157636 (Oracle Enterprise Linux Security Update for firefox (ELSA-2018-0122)).
Upgrading to version 58.0 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 (106790), SecurityFocus (BID 102783†) and SecurityTracker (ID 1040270†). The entries VDB-112518, VDB-112519, VDB-112520 and VDB-112521 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.
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: 7.6VulDB Meta Temp Score: 7.4
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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| 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: Integer overflowCWE: CWE-190 / CWE-189
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: 106790
Nessus Name: Ubuntu 14.04 LTS / 16.04 LTS / 17.10 : firefox regressions (USN-3544-2)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 66413
OpenVAS Name: CentOS Update for firefox CESA-2018:0122 centos6
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 58.0
Timeline
01/03/2018 🔍01/23/2018 🔍
01/23/2018 🔍
01/23/2018 🔍
01/23/2018 🔍
01/24/2018 🔍
01/28/2018 🔍
02/13/2018 🔍
06/11/2018 🔍
11/26/2025 🔍
Sources
Vendor: mozilla.orgProduct: mozilla.org
Advisory: MFSA 2018-02
Researcher: Looben Yang, Nils, and xisigr (xisigr)
Organization: Tencent
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2018-5095 (🔍)
GCVE (CVE): GCVE-0-2018-5095
GCVE (VulDB): GCVE-100-112522
OVAL: 🔍
SecurityFocus: 102783 - Mozilla Firefox and Firefox ESR Multiple Security Vulnerabilities
SecurityTracker: 1040270
See also: 🔍
Entry
Created: 01/28/2018 10:17Updated: 11/26/2025 06:37
Changes: 01/28/2018 10:17 (77), 12/30/2019 11:12 (10), 02/01/2021 19:21 (3), 02/01/2021 19:27 (1), 11/26/2025 06:37 (16)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.

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