Risk | High |
Patch available | YES |
Number of vulnerabilities | 4 |
CVE-ID | CVE-2021-45088 CVE-2021-45087 CVE-2021-45086 CVE-2021-45085 |
CWE-ID | CWE-79 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
GNOME Web (Epiphany) Client/Desktop applications / Web browsers |
Vendor | Gnome Development Team |
This security bulletin contains information about 4 vulnerabilities.
EUVDB-ID: #VU59665
Risk: Medium
CVSSv3.1:
CVE-ID: CVE-2021-45088
CWE-ID:
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data via an error page. 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 vulnerable 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.
MitigationInstall update from vendor's website.
Vulnerable software versionsGNOME Web (Epiphany): 41.0, 40.0 - 40.3
http://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/1045
http://gitlab.gnome.org/GNOME/epiphany/-/issues/1612
http://www.debian.org/security/2022/dsa-5042
Can this vulnerability be exploited remotely?
How the attacker can exploit this vulnerability?
Is there known malware, which exploits this vulnerability?
EUVDB-ID: #VU59664
Risk: Medium
CVSSv3.1:
CVE-ID: CVE-2021-45087
CWE-ID:
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Exploit availability: No
DescriptionThe disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data when View Source mode or Reader mode is used. A remote attacker can execute arbitrary HTML and script code in user's browser in context of vulnerable 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.
MitigationInstall updates from vendor's website.
Vulnerable software versionsGNOME Web (Epiphany): 41.0, 40.0 - 40.3
http://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/1045
http://gitlab.gnome.org/GNOME/epiphany/-/issues/1612
http://www.debian.org/security/2022/dsa-5042
Can this vulnerability be exploited remotely?
How the attacker can exploit this vulnerability?
Is there known malware, which exploits this vulnerability?
EUVDB-ID: #VU59663
Risk: Medium
CVSSv3.1:
CVE-ID: CVE-2021-45086
CWE-ID:
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Exploit availability: No
DescriptionThe disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data, because a server's suggested_filename is used as the pdf_name value in PDF.js. A remote attacker can and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Install updates from vendor's website.
Vulnerable software versionsGNOME Web (Epiphany): 41.0, 40.0 - 40.3
http://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/1045
http://gitlab.gnome.org/GNOME/epiphany/-/issues/1612
http://www.debian.org/security/2022/dsa-5042
Can this vulnerability be exploited remotely?
How the attacker can exploit this vulnerability?
Is there known malware, which exploits this vulnerability?
EUVDB-ID: #VU59662
Risk: High
CVSSv3.1:
CVE-ID: CVE-2021-45085
CWE-ID:
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data when processing data passed via an "about: page" URL. A remote attacker can permanently store and execute arbitrary JavaScript code on the affected system, when the victim opens the Most Visited list tab (ephy-about:overview) in browser.
Install update from vendor's website.
Vulnerable software versionsGNOME Web (Epiphany): 41.0, 40.0 - 40.3
http://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/1045
http://gitlab.gnome.org/GNOME/epiphany/-/issues/1612
http://www.debian.org/security/2022/dsa-5042
Can this vulnerability be exploited remotely?
How the attacker can exploit this vulnerability?
Is there known malware, which exploits this vulnerability?