Google Chrome prior 66.0.3359.106 WebAssembly HTML Page use after free
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.4 | $5k-$25k | 0.00 |
A vulnerability, which was classified as critical, has been found in Google Chrome (Web Browser). Affected by this issue is an unknown functionality of the component WebAssembly. The manipulation as part of a HTML Page leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. CVE summarizes:
A use-after-free in WebAssembly in Google Chrome prior to 66.0.3359.106 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.
The bug was discovered 04/17/2018. The weakness was presented 12/04/2018 by Abdulrahman Alqabandi (lokihardt) with Tencent (Website). The advisory is available at chromereleases.googleblog.com. This vulnerability is handled as CVE-2018-6087 since 01/23/2018. The attack may be launched remotely. No form of authentication is required for 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 $0-$5k at the moment (estimation calculated on 06/12/2023). 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 7 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 109290 (GLSA-201804-22 : Chromium, Google Chrome: 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 370889 (Google Chrome Prior to 66.0.3359.117 Multiple Vulnerabilities).
Upgrading to version 66.0.3359.106 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (109290). See 127476, 127477, 127479 and 127480 for similar entries.
Product
Type
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB 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 |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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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: Use after freeCWE: CWE-416 / CWE-119
ATT&CK: Unknown
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: 109290
Nessus Name: GLSA-201804-22 : Chromium, Google Chrome: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 56832
OpenVAS Name: Debian Security Advisory DSA 4182-1 (chromium-browser - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Chrome 66.0.3359.106
Timeline
01/23/2018 🔍04/17/2018 🔍
04/17/2018 🔍
04/24/2018 🔍
04/24/2018 🔍
12/04/2018 🔍
12/04/2018 🔍
12/05/2018 🔍
06/12/2023 🔍
Sources
Vendor: google.comProduct: google.com
Advisory: RHSA-2018:1195
Researcher: Abdulrahman Alqabandi (lokihardt)
Organization: Tencent
Status: Not defined
Confirmation: 🔍
CVE: CVE-2018-6087 (🔍)
OVAL: 🔍
SecurityFocus: 103917 - Google Chrome Prior to 66.0.3359.117 Multiple Security Vulnerabilities
See also: 🔍
Entry
Created: 12/05/2018 08:18Updated: 06/12/2023 17:55
Changes: 12/05/2018 08:18 (79), 04/17/2020 12:06 (7), 06/12/2023 17:55 (4)
Complete: 🔍
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