Google Chrome up to 70.0.3538.110 PDFium PDF File use after free

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

Summaryinfo

A vulnerability classified as critical was found in Google Chrome up to 70.0.3538.110. This vulnerability affects unknown code of the component PDFium. Executing a manipulation as part of PDF File can lead to use after free. The identification of this vulnerability is CVE-2018-17481. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Google Chrome up to 70.0.3538.110 (Web Browser). It has been declared as critical. This vulnerability affects an unknown function 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. CVE summarizes:

Incorrect object lifecycle in PDFium in Google Chrome prior to 71.0.3578.80 allowed a remote attacker to potentially exploit heap corruption via a crafted PDF file.

The bug was discovered 12/04/2018. The weakness was shared 12/11/2018 by Guang Gong with Qihoo 360 (Website). The advisory is available at chromereleases.googleblog.com. This vulnerability was named CVE-2018-17481 since 09/25/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of 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†). The entries VDB-127833, VDB-127835, VDB-127836 and VDB-127837 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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: 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: 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

09/25/2018 🔍
12/04/2018 +70 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-2018-17481 (🔍)
GCVE (CVE): GCVE-0-2018-17481
GCVE (VulDB): GCVE-100-127834

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 09:34
Changes: 12/12/2018 09:07 (78), 04/20/2020 08:06 (7), 06/18/2023 09:34 (4)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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