Google Chrome prior 68.0.3440.75 Skia HTML Page out-of-bounds write
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.4 | $5k-$25k | 0.00 |
Summary
A vulnerability categorized as critical has been discovered in Google Chrome. This impacts an unknown function of the component Skia. Executing a manipulation as part of HTML Page can lead to out-of-bounds write. This vulnerability is tracked as CVE-2018-6153. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.
Details
A vulnerability classified as critical was found in Google Chrome (Web Browser). This vulnerability affects an unknown functionality of the component Skia. The manipulation as part of a HTML Page leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
A precision error in Skia in Google Chrome prior to 68.0.3440.75 allowed a remote attacker who had compromised the renderer process to perform an out of bounds memory write via a crafted HTML page.
The bug was discovered 07/24/2018. The weakness was disclosed 01/09/2019 by Natalie Silvanovich with UC Berkeley (Website). The advisory is available at debian.org. This vulnerability was named CVE-2018-6153 since 01/23/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 06/26/2023). It is expected to see the exploit prices for this product increasing in the near future.
The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 111407 (FreeBSD : chromium -- multiple vulnerabilities (b9c525d9-9198-11e8-beba-080027ef1a23)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371097 (Google Chrome Prior To 68.0.3440.75 Multiple Vulnerabilities).
Upgrading to version 68.0.3440.75 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at Tenable (111407) and SecurityFocus (BID 104887†). The entries VDB-115410, VDB-127496, VDB-128918 and VDB-128961 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Type
Vendor
Name
License
Website
- Vendor: https://www.google.com/
- Product: https://www.google.com/chrome/
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: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.8
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: Out-of-bounds writeCWE: CWE-787 / 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: 111407
Nessus Name: FreeBSD : chromium -- multiple vulnerabilities (b9c525d9-9198-11e8-beba-080027ef1a23)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Chrome 68.0.3440.75
Timeline
01/23/2018 🔍07/24/2018 🔍
07/24/2018 🔍
07/27/2018 🔍
07/30/2018 🔍
01/09/2019 🔍
01/09/2019 🔍
01/10/2019 🔍
06/26/2023 🔍
Sources
Vendor: google.comProduct: google.com
Advisory: RHSA-2018:2282
Researcher: Natalie Silvanovich
Organization: UC Berkeley
Status: Not defined
Confirmation: 🔍
CVE: CVE-2018-6153 (🔍)
GCVE (CVE): GCVE-0-2018-6153
GCVE (VulDB): GCVE-100-128962
OVAL: 🔍
SecurityFocus: 104887 - Google Chrome Prior to 68.0.3440.75 Multiple Security Vulnerabilities
See also: 🔍
Entry
Created: 01/10/2019 21:35Updated: 06/26/2023 07:12
Changes: 01/10/2019 21:35 (79), 04/28/2020 09:52 (5), 06/26/2023 07:12 (4)
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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