Google Chrome prior 51.0.2704.63 PDFium PDF File out-of-bounds

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 (≈)
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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.
7.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Google Chrome. It has been classified as critical. This vulnerability affects unknown code of the component PDFium. This manipulation as part of PDF File causes out-of-bounds. This vulnerability is handled as CVE-2016-10403. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical was found in Google Chrome (Web Browser). 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 vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads 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:

Insufficient data validation on image data in PDFium in Google Chrome prior to 51.0.2704.63 allowed a remote attacker to perform an out of bounds memory read via a crafted PDF file.

The bug was discovered 05/25/2016. The weakness was released 01/09/2019 (Website). It is possible to read the advisory at chromereleases.googleblog.com. This vulnerability is known as CVE-2016-10403 since 08/02/2017. 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 $0-$5k at the moment (estimation calculated on 04/26/2020). 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 959 days. During that time the estimated underground price was around $25k-$100k.

Upgrading to version 51.0.2704.63 eliminates this vulnerability.

Entries connected to this vulnerability are available at VDB-128795 and VDB-128794. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

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: Out-of-bounds
CWE: CWE-125 / 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Chrome 51.0.2704.63

Timelineinfo

05/25/2016 🔍
08/02/2017 +434 days 🔍
01/09/2019 +525 days 🔍
01/09/2019 +0 days 🔍
01/10/2019 +1 days 🔍
04/26/2020 +472 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: chromereleases.googleblog.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-10403 (🔍)
GCVE (CVE): GCVE-0-2016-10403
GCVE (VulDB): GCVE-100-128791
See also: 🔍

Entryinfo

Created: 01/10/2019 07:42
Updated: 04/26/2020 20:37
Changes: 01/10/2019 07:42 (62), 04/26/2020 20:37 (2)
Complete: 🔍
Cache ID: 216::103

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

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