Google Chrome prior 72.0.3626.81 PDFium PDF File use after free

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

A vulnerability classified as critical was found in Google Chrome (Web Browser). Affected by this vulnerability is an unknown code of the component PDFium. The manipulation as part of a PDF File leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Sharing of objects over calls into JavaScript runtime in PDFium in Google Chrome prior to 72.0.3626.81 allowed a remote attacker to potentially exploit heap corruption via a crafted PDF file.

The bug was discovered 01/29/2019. The weakness was presented 02/19/2019 by Guang Gong with Qihoo 360 (Website). It is possible to read the advisory at chromereleases.googleblog.com. This vulnerability is known as CVE-2019-5772 since 01/09/2019. 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 07/11/2023). 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 121514 (Google Chrome < 72.0.3626.81 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176592 (Debian Security Update for chromium (DSA 4395-1)).

Upgrading to version 72.0.3626.81 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 (121514) and SecurityFocus (BID 106084†). See VDB-127833, VDB-127834, VDB-127835 and VDB-127836 for similar entries. Several companies clearly confirm that VulDB is the primary source for best 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
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 121514
Nessus Name: Google Chrome < 72.0.3626.81 Multiple Vulnerabilities
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 72.0.3626.81

Timelineinfo

12/04/2018 🔍
01/09/2019 +36 days 🔍
01/29/2019 +20 days 🔍
01/29/2019 +0 days 🔍
01/31/2019 +2 days 🔍
02/19/2019 +19 days 🔍
02/20/2019 +1 days 🔍
07/11/2023 +1602 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: RHSA-2019:0309
Researcher: Guang Gong
Organization: Qihoo 360
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2019-5772 (🔍)
GCVE (CVE): GCVE-0-2019-5772
GCVE (VulDB): GCVE-100-131023
SecurityFocus: 106084 - Google Chrome Prior to 71.0.3578.80 Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 02/20/2019 08:13 AM
Updated: 07/11/2023 01:45 PM
Changes: 02/20/2019 08:13 AM (75), 05/11/2020 02:31 PM (6), 07/11/2023 01:45 PM (4)
Complete: 🔍
Cache ID: 18:F23:40

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