Multiple vulnerabilities in WebKitGTK+ and WPE WebKit



Published: 2020-08-02
Risk High
Patch available YES
Number of vulnerabilities 6
CVE-ID CVE-2020-9862
CVE-2020-9893
CVE-2020-9894
CVE-2020-9895
CVE-2020-9915
CVE-2020-9925
CWE-ID CWE-77
CWE-416
CWE-125
CWE-264
CWE-79
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe
WebKitGTK+
Server applications / Frameworks for developing and running applications

WPE WebKit
Server applications / Frameworks for developing and running applications

Vendor WebKitGTK
WPE WebKit

Security Bulletin

This security bulletin contains information about 6 vulnerabilities.

1) Command Injection

EUVDB-ID: #VU32965

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2020-9862

CWE-ID: CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary commands on the system.

The vulnerability exists due to improper input validation in Web Inspector when copying a URL. A remote attacker can trick the victim into copying a specially crafted URL and execute arbitrary commands on the system with privileges of the current user.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

WebKitGTK+: 2.20.0 - 2.28.3

WPE WebKit: 2.20.0 - 2.28.3


CPE2.3 External links

http://webkitgtk.org/security/WSA-2020-0007.html

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

2) Use-after-free

EUVDB-ID: #VU32966

Risk: High

CVSSv3.1:

CVE-ID: CVE-2020-9893

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing web content. 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.

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

Mitigation

Install updates from vendor's website.

Vulnerable software versions

WebKitGTK+: 2.28.0 - 2.28.3

WPE WebKit: 2.28.0 - 2.28.3


CPE2.3 External links

http://webkitgtk.org/security/WSA-2020-0007.html

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

3) Out-of-bounds read

EUVDB-ID: #VU32967

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2020-9894

CWE-ID: CWE-125 - Out-of-bounds Read

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

WebKitGTK+: 2.28.0 - 2.28.3

WPE WebKit: 2.28.0 - 2.28.3


CPE2.3 External links

http://webkitgtk.org/security/WSA-2020-0007.html

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

4) Use-after-free

EUVDB-ID: #VU32968

Risk: High

CVSSv3.1:

CVE-ID: CVE-2020-9895

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing web content. 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.

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

Mitigation

Install updates from vendor's website.

Vulnerable software versions

WebKitGTK+: 2.28.0 - 2.28.3

WPE WebKit: 2.28.0 - 2.28.3


CPE2.3 External links

http://webkitgtk.org/security/WSA-2020-0007.html

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

5) Security restrictions bypass

EUVDB-ID: #VU32969

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2020-9915

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to application does not properly impose Content Security Policy. A remote attacker can create a specially crafted web page, trick the victim into visiting it and bypass implemented security restrictions. The vulnerability may allow an attacker to perform cross-site scripting attacks or gain access to sensitive information.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

WebKitGTK+: 2.28.0 - 2.28.3

WPE WebKit: 2.28.0 - 2.28.3


CPE2.3 External links

http://webkitgtk.org/security/WSA-2020-0007.html

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

6) Univeral cross-site scripting

EUVDB-ID: #VU32970

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2020-9925

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of arbitrary website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

WebKitGTK+: 2.28.0 - 2.28.3

WPE WebKit: 2.28.0 - 2.28.3


CPE2.3 External links

http://webkitgtk.org/security/WSA-2020-0007.html

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



###SIDEBAR###