Google Chrome prior 65.0.3325.146 PDFium PDF File integer overflow

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.4$5k-$25k0.00

Summaryinfo

A vulnerability classified as critical was found in Google Chrome. This vulnerability affects unknown code of the component PDFium. The manipulation as part of PDF File leads to integer overflow. This vulnerability was named CVE-2018-6072. The attack can be initiated remotely. There is no exploit available. It is recommended to upgrade the affected component. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Detailsinfo

A vulnerability classified as critical has been found in Google Chrome (Web Browser). This affects an unknown functionality of the component PDFium. The manipulation as part of a PDF File leads to a integer overflow vulnerability. CWE is classifying the issue as CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An integer overflow leading to use after free in PDFium in Google Chrome prior to 65.0.3325.146 allowed a remote attacker to potentially exploit heap corruption via a crafted PDF file.

The bug was discovered 03/06/2018. The weakness was published 11/14/2018 by Abdulrahman Alqabandi (lokihardt) with Tencent (Website). It is possible to read the advisory at chromereleases.googleblog.com. This vulnerability is uniquely identified as CVE-2018-6072 since 01/23/2018. It is possible to initiate the attack remotely. No form of authentication is needed for 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 06/06/2023). It is expected to see the exploit prices for this product increasing in the near future.

The vulnerability scanner Nessus provides a plugin with the ID 107221 (Google Chrome < 65.0.3325.146 Multiple Vulnerabilities (macOS)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 236674 (Red Hat Update for chromium-browser (RHSA-2018:0484)).

Upgrading to version 65.0.3325.146 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 (107221) and SecurityFocus (BID 103297†). Similar entries are available at VDB-126842, VDB-126843, VDB-126844 and VDB-126845. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
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
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Nessus ID: 107221
Nessus Name: Google Chrome < 65.0.3325.146 Multiple Vulnerabilities (macOS)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 880848
OpenVAS Name: SuSE Update for Chromium openSUSE-SU-2018:0704-1 (Chromium)
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 65.0.3325.146

Timelineinfo

01/23/2018 🔍
03/06/2018 +42 days 🔍
03/06/2018 +0 days 🔍
03/06/2018 +0 days 🔍
03/08/2018 +2 days 🔍
11/14/2018 +251 days 🔍
11/14/2018 +0 days 🔍
11/15/2018 +1 days 🔍
06/06/2023 +1664 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: RHSA-2018:0484
Researcher: Abdulrahman Alqabandi (lokihardt)
Organization: Tencent
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-6072 (🔍)
GCVE (CVE): GCVE-0-2018-6072
GCVE (VulDB): GCVE-100-126855

OVAL: 🔍

SecurityFocus: 103297 - Google Chrome Prior to 65.0.3325.146 Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 11/15/2018 07:53 AM
Updated: 06/06/2023 02:45 PM
Changes: 11/15/2018 07:53 AM (77), 04/13/2020 07:29 AM (7), 06/06/2023 02:45 PM (4)
Complete: 🔍
Cache ID: 18:69F:40

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!