Google Chrome up to 66.0.3359.170 PDFium PDF File out-of-bounds write

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

Summaryinfo

A vulnerability was found in Google Chrome. It has been classified as critical. The affected element is an unknown function of the component PDFium. This manipulation as part of PDF File causes out-of-bounds write. The identification of this vulnerability is CVE-2018-6144. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Google Chrome (Web Browser). It has been declared as critical. Affected by this vulnerability is an unknown code block of the component PDFium. The manipulation as part of a PDF File 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. The summary by CVE is:

Off-by-one error in PDFium in Google Chrome prior to 67.0.3396.62 allowed a remote attacker to perform an out of bounds memory write via a crafted PDF file.

The bug was discovered 05/29/2018. The weakness was shared 01/09/2019 by Natalie Silvanovich with Google Project Zero (Website). It is possible to read the advisory at debian.org. This vulnerability is known as CVE-2018-6144 since 01/23/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. 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 07/18/2024). 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 1 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 110254 (FreeBSD : chromium -- multiple vulnerabilities (427b0f58-644c-11e8-9e1b-e8e0b747a45a)), 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 236841 (Red Hat Update for chromium-browser (RHSA-2018:1815)).

Upgrading to version 67.0.3396.62 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 (110254) and SecurityFocus (BID 104309†). The entries VDB-119308, VDB-128948, VDB-128949 and VDB-128950 are related to this item. Be aware that VulDB is the high quality source 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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: 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: 🔍

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Nessus ID: 110254
Nessus Name: FreeBSD : chromium -- multiple vulnerabilities (427b0f58-644c-11e8-9e1b-e8e0b747a45a)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 66169
OpenVAS Name: Google Chrome Security Updates(stable-channel-update-for-desktop_29-2018-05)-Windows
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Chrome 67.0.3396.62

Timelineinfo

01/23/2018 🔍
05/29/2018 +126 days 🔍
05/29/2018 +0 days 🔍
05/30/2018 +1 days 🔍
05/31/2018 +1 days 🔍
01/09/2019 +223 days 🔍
01/09/2019 +0 days 🔍
01/10/2019 +1 days 🔍
07/18/2024 +2016 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: RHSA-2018:1815
Researcher: Natalie Silvanovich
Organization: Google Project Zero
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-6144 (🔍)
GCVE (CVE): GCVE-0-2018-6144
GCVE (VulDB): GCVE-100-128959

OVAL: 🔍

SecurityFocus: 104309 - Google Chrome Prior to 67.0.3396.62 Multiple Security Vulnerabilities
SecurityTracker: 1041014

See also: 🔍

Entryinfo

Created: 01/10/2019 21:34
Updated: 07/18/2024 20:15
Changes: 01/10/2019 21:34 (79), 04/28/2020 09:41 (5), 06/26/2023 06:47 (5), 07/18/2024 20:15 (17)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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