Remote code execution in Google Chrome

Published: 2019-11-01 | Updated: 2019-11-01
Severity Critical
Patch available YES
Number of vulnerabilities 2
CVE ID CVE-2019-13721
CVE-2019-13720
CWE ID CWE-416
Exploitation vector Network
Public exploit Vulnerability #2 is being exploited in the wild.
Vulnerable software Google Chrome Subscribe
Vendor Google

Security Advisory

1) Use-after-free

Severity: High

CVSSv3: 7.7 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2019-13721

CWE-ID: CWE-416 - Use After Free

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in PDFium component. A remote attacker can create a specially crafted PDF file, trick the victim into opening it, trigger a use-after-free error and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Google Chrome: 78.0.3904.0, 78.0.3904.1, 78.0.3904.2, 78.0.3904.3, 78.0.3904.4, 78.0.3904.5, 78.0.3904.6, 78.0.3904.7, 78.0.3904.8, 78.0.3904.9, 78.0.3904.10, 78.0.3904.11, 78.0.3904.12, 78.0.3904.13, 78.0.3904.14, 78.0.3904.15, 78.0.3904.16, 78.0.3904.17, 78.0.3904.18, 78.0.3904.19, 78.0.3904.20, 78.0.3904.21, 78.0.3904.22, 78.0.3904.23, 78.0.3904.24, 78.0.3904.25, 78.0.3904.26, 78.0.3904.27, 78.0.3904.28, 78.0.3904.29, 78.0.3904.30, 78.0.3904.31, 78.0.3904.32, 78.0.3904.33, 78.0.3904.34, 78.0.3904.35, 78.0.3904.36, 78.0.3904.37, 78.0.3904.38, 78.0.3904.39, 78.0.3904.40, 78.0.3904.41, 78.0.3904.42, 78.0.3904.43, 78.0.3904.44, 78.0.3904.45, 78.0.3904.46, 78.0.3904.47, 78.0.3904.48, 78.0.3904.49, 78.0.3904.50, 78.0.3904.51, 78.0.3904.52, 78.0.3904.53, 78.0.3904.54, 78.0.3904.55, 78.0.3904.56, 78.0.3904.57, 78.0.3904.58, 78.0.3904.59, 78.0.3904.60, 78.0.3904.61, 78.0.3904.62, 78.0.3904.63, 78.0.3904.66, 78.0.3904.67, 78.0.3904.68, 78.0.3904.69, 78.0.3904.70, 78.0.3904.71, 78.0.3904.72, 78.0.3904.73, 78.0.3904.77, 78.0.3904.78, 78.0.3904.79, 78.0.3904.80, 78.0.3904.81, 78.0.3904.82, 78.0.3904.83, 78.0.3904.84, 78.0.3904.85, 78.0.3904.86

CPE External links

https://chromereleases.googleblog.com/2019/10/stable-channel-update-for-desktop_31.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Use-after-free

Severity: Critical

CVSSv3: 9.2 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C] [PCI]

CVE-ID: CVE-2019-13720

CWE-ID: CWE-416 - Use After Free

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing HTML content within the audio component. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger a use-after-free error and execute arbitrary code on the target system.

Note, this vulnerability is being actively exploited in the wild.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Google Chrome: 78.0.3904.0, 78.0.3904.1, 78.0.3904.2, 78.0.3904.3, 78.0.3904.4, 78.0.3904.5, 78.0.3904.6, 78.0.3904.7, 78.0.3904.8, 78.0.3904.9, 78.0.3904.10, 78.0.3904.11, 78.0.3904.12, 78.0.3904.13, 78.0.3904.14, 78.0.3904.15, 78.0.3904.16, 78.0.3904.17, 78.0.3904.18, 78.0.3904.19, 78.0.3904.20, 78.0.3904.21, 78.0.3904.22, 78.0.3904.23, 78.0.3904.24, 78.0.3904.25, 78.0.3904.26, 78.0.3904.27, 78.0.3904.28, 78.0.3904.29, 78.0.3904.30, 78.0.3904.31, 78.0.3904.32, 78.0.3904.33, 78.0.3904.34, 78.0.3904.35, 78.0.3904.36, 78.0.3904.37, 78.0.3904.38, 78.0.3904.39, 78.0.3904.40, 78.0.3904.41, 78.0.3904.42, 78.0.3904.43, 78.0.3904.44, 78.0.3904.45, 78.0.3904.46, 78.0.3904.47, 78.0.3904.48, 78.0.3904.49, 78.0.3904.50, 78.0.3904.51, 78.0.3904.52, 78.0.3904.53, 78.0.3904.54, 78.0.3904.55, 78.0.3904.56, 78.0.3904.57, 78.0.3904.58, 78.0.3904.59, 78.0.3904.60, 78.0.3904.61, 78.0.3904.62, 78.0.3904.63, 78.0.3904.66, 78.0.3904.67, 78.0.3904.68, 78.0.3904.69, 78.0.3904.70, 78.0.3904.71, 78.0.3904.72, 78.0.3904.73, 78.0.3904.77, 78.0.3904.78, 78.0.3904.79, 78.0.3904.80, 78.0.3904.81, 78.0.3904.82, 78.0.3904.83, 78.0.3904.84, 78.0.3904.85, 78.0.3904.86

CPE External links

https://chromereleases.googleblog.com/2019/10/stable-channel-update-for-desktop_31.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.