| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.7 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as critical, has been found in Mozilla Firefox up to 60. This affects an unknown function. Performing a manipulation results in memory corruption. This vulnerability is identified as CVE-2018-5186. The attack can be initiated remotely. There is not any exploit available. It is advisable to upgrade the affected component.
Details
A vulnerability classified as critical has been found in Mozilla Firefox up to 60 (Web Browser). This affects an unknown functionality. 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:
Memory safety bugs present in Firefox 60. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 61.
The bug was discovered 06/26/2018. The weakness was released 06/26/2018 by Christian Holler (Basti) with Dell as MFSA 2018-15 as confirmed security advisory (Website). It is possible to read the advisory at mozilla.org. This vulnerability is uniquely identified as CVE-2018-5186 since 01/03/2018. 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. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 02/23/2020).
The vulnerability scanner Nessus provides a plugin with the ID 117894 (GLSA-201810-01 : Mozilla Firefox: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 197193 (Ubuntu Security Notification for Firefox Vulnerabilities (USN-3705-1)).
Upgrading to version 61 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 (117894), SecurityFocus (BID 104557†) and SecurityTracker (ID 1041193†). Entries connected to this vulnerability are available at VDB-120044, VDB-120045, VDB-120046 and VDB-120047. 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: 7.9
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD 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: 🔍
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: 117894
Nessus Name: GLSA-201810-01 : Mozilla Firefox: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: Firefox 61
Timeline
01/03/2018 🔍06/26/2018 🔍
06/26/2018 🔍
06/26/2018 🔍
06/26/2018 🔍
06/27/2018 🔍
06/28/2018 🔍
10/03/2018 🔍
10/18/2018 🔍
02/23/2020 🔍
Sources
Vendor: mozilla.orgProduct: mozilla.org
Advisory: MFSA 2018-15
Researcher: Christian Holler (Basti)
Organization: Dell
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2018-5186 (🔍)
GCVE (CVE): GCVE-0-2018-5186
GCVE (VulDB): GCVE-100-120051
SecurityFocus: 104557 - Mozilla Firefox CVE-2018-5186 Multiple Unspecified Memory Corruption Vulnerabilities
SecurityTracker: 1041193
See also: 🔍
Entry
Created: 06/28/2018 09:11Updated: 02/23/2020 07:57
Changes: 06/28/2018 09:11 (76), 02/23/2020 07:57 (11)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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