Google Chrome prior 72.0.3626.81 PDFium PDF File use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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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 identified as critical has been detected in Google Chrome. This affects an unknown function of the component PDFium. Performing a manipulation as part of PDF File results in use after free. This vulnerability is reported as CVE-2019-5756. The attack is possible to be carried out remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Google Chrome (Web Browser). This affects some unknown functionality of the component PDFium. The manipulation as part of a PDF File leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Inappropriate memory management when caching in PDFium in Google Chrome prior to 72.0.3626.81 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted PDF file.

The bug was discovered 01/29/2019. The weakness was disclosed 02/19/2019 with Qihoo 360 Vulcan Team (Website). It is possible to read the advisory at chromereleases.googleblog.com. This vulnerability is uniquely identified as CVE-2019-5756 since 01/09/2019. 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 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 371614 (Google Chrome Prior To 72.0.3626.81 Multiple Vulnerabilities).

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 106767†). The entries VDB-131005, VDB-131006, VDB-131008 and VDB-131009 are pretty similar. 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

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: 🔍

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: 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

01/09/2019 🔍
01/29/2019 +20 days 🔍
01/29/2019 +0 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
Organization: Qihoo 360 Vulcan Team
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2019-5756 (🔍)
GCVE (CVE): GCVE-0-2019-5756
GCVE (VulDB): GCVE-100-131007
SecurityFocus: 106767 - Google Chrome Prior to 72.0.3626.81 Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 02/20/2019 08:00
Updated: 07/11/2023 11:52
Changes: 02/20/2019 08:00 (75), 05/11/2020 11:53 (5), 07/11/2023 11:52 (4)
Complete: 🔍
Cache ID: 216::103

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