Google Chrome up to 70.0.3538.110 Blink HTML Page input validation
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.2 | $5k-$25k | 0.00 |
A vulnerability classified as critical was found in Google Chrome up to 70.0.3538.110 (Web Browser). This vulnerability affects an unknown code block of the component Blink. The manipulation as part of a HTML Page leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
Incorrect handling of alert box display in Blink in Google Chrome prior to 71.0.3578.80 allowed a remote attacker to present confusing browser UI via a crafted HTML page.
The bug was discovered 12/04/2018. The weakness was released 12/11/2018 by Guang Gong with Qihoo 360 (Website). The advisory is available at chromereleases.googleblog.com. This vulnerability was named CVE-2018-18346 since 10/15/2018. 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 $0-$5k at the moment (estimation calculated on 06/18/2023). 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 6 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 119568 (RHEL 6 : chromium-browser (RHSA-2018:3803)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Red Hat Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176542 (Debian Security Update for chromium-browser (DSA 4352-1)).
Upgrading to version 71.0.3578.80 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 (119568). Entries connected to this vulnerability are available at 127833, 127834, 127835 and 127836.
Product
Type
Vendor
Name
Version
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: 6.4VulDB Meta Temp Score: 6.2
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.5
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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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: Input validationCWE: CWE-20
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: 119568
Nessus Name: RHEL 6 : chromium-browser (RHSA-2018:3803)
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 71.0.3578.80
Timeline
10/15/2018 🔍12/04/2018 🔍
12/04/2018 🔍
12/10/2018 🔍
12/11/2018 🔍
12/11/2018 🔍
12/11/2018 🔍
12/12/2018 🔍
06/18/2023 🔍
Sources
Vendor: google.comProduct: google.com
Advisory: RHSA-2018:3803
Researcher: Guang Gong
Organization: Qihoo 360
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2018-18346 (🔍)
OVAL: 🔍
SecurityFocus: 106084 - Google Chrome Prior to 71.0.3578.80 Multiple Security Vulnerabilities
See also: 🔍
Entry
Created: 12/12/2018 09:07Updated: 06/18/2023 10:20
Changes: 12/12/2018 09:07 (78), 04/20/2020 09:25 (7), 06/18/2023 10:20 (4)
Complete: 🔍
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