Google Chrome up to 70.0.3538.110 Skia HTML Page memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.4$5k-$25k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Google Chrome up to 70.0.3538.110. This issue affects some unknown processing of the component Skia. The manipulation as part of HTML Page leads to memory corruption. This vulnerability is referenced as CVE-2018-18335. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Google Chrome up to 70.0.3538.110 (Web Browser). It has been rated as critical. This issue affects an unknown functionality of the component Skia. The manipulation as part of a HTML Page leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Heap buffer overflow in Skia in Google Chrome prior to 71.0.3578.80 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

The bug was discovered 12/04/2018. The weakness was published 12/11/2018 by Guang Gong with Qihoo 360 (Website). It is possible to read the advisory at chromereleases.googleblog.com. The identification of this vulnerability is CVE-2018-18335 since 10/15/2018. The attack may be initiated remotely. No form of authentication is needed for a successful 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 $5k-$25k 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 databases at Tenable (119568) and SecurityFocus (BID 106084†). Similar entries are available at VDB-127833, VDB-127834, VDB-127836 and VDB-127837. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB 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: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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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 Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Chrome 71.0.3578.80

Timelineinfo

10/15/2018 🔍
12/04/2018 +50 days 🔍
12/04/2018 +0 days 🔍
12/10/2018 +6 days 🔍
12/11/2018 +1 days 🔍
12/11/2018 +0 days 🔍
12/11/2018 +0 days 🔍
12/12/2018 +1 days 🔍
06/18/2023 +1649 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: RHSA-2018:3803
Researcher: Guang Gong
Organization: Qihoo 360
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-18335 (🔍)
GCVE (CVE): GCVE-0-2018-18335
GCVE (VulDB): GCVE-100-127835

OVAL: 🔍

SecurityFocus: 106084 - Google Chrome Prior to 71.0.3578.80 Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 12/12/2018 09:07
Updated: 06/18/2023 09:36
Changes: 12/12/2018 09:07 (78), 04/20/2020 08:18 (7), 06/18/2023 09:36 (4)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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