Risk | Low |
Patch available | YES |
Number of vulnerabilities | 4 |
CVE-ID | CVE-2022-39331 CVE-2022-39332 CVE-2022-39333 CVE-2022-39334 |
CWE-ID | CWE-79 CWE-295 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
desktop Other software / Other software solutions |
Vendor | Nextcloud |
Security Bulletin
This security bulletin contains information about 4 vulnerabilities.
EUVDB-ID: #VU69624
Risk: Low
CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-39331
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 in the notifications. A remote user 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 updates from vendor's website.
Vulnerable software versionsdesktop: 3.0.0 - 3.6.0
External linkshttp://github.com/nextcloud/desktop/pull/4944
http://hackerone.com/reports/1668028
http://github.com/nextcloud/security-advisories/security/advisories/GHSA-c3xh-q694-6rc5
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU69625
Risk: Low
CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-39332
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 within the user status and information. A remote user 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 updates from vendor's website.
Vulnerable software versionsdesktop: 3.0.0 - 3.6.0
External linkshttp://github.com/nextcloud/desktop/pull/4972
http://hackerone.com/reports/1707977
http://github.com/nextcloud/security-advisories/security/advisories/GHSA-q9f6-4r6r-h74p
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU69626
Risk: Low
CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-39333
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 in call notification popup. A remote user 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 updates from vendor's website.
Vulnerable software versionsdesktop: 3.0.0 - 3.6.0
External linkshttp://github.com/nextcloud/desktop/pull/4972
http://github.com/nextcloud/security-advisories/security/advisories/GHSA-92p9-x79h-2mj8
http://hackerone.com/reports/1711847
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU69628
Risk: Low
CVSSv3.1: 2.5 [CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-39334
CWE-ID:
CWE-295 - Improper Certificate Validation
Exploit availability: No
DescriptionThe vulnerability allows a local user to compromise the target system.
The vulnerability exists due to improper certificate verification. A local user can perform a man-in-the-middle (MitM) attack and gain access to sensitive information on the system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsdesktop: 3.0.0 - 3.6.0
External linkshttp://hackerone.com/reports/1699740
http://github.com/nextcloud/security-advisories/security/advisories/GHSA-82xx-98xv-4jxv
http://github.com/nextcloud/desktop/pull/5022
http://github.com/nextcloud/desktop/issues/4927
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.