OpenSUSE Linux update for nextcloud
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2020-8154 CVE-2020-8155 |
| CWE-ID | CWE-79 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
SUSE Package Hub for SUSE Linux Enterprise Universal components / Libraries / Libraries used by multiple products |
| Vendor | SUSE |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Authorization bypass through user-controlled key
EUVDB-ID: #VU27957
Risk: Medium
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-8154
CWE-ID: N/A
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to wipe devices of other users.
The vulnerability exists due to insecure direct object reference in Nextcloud Server. A remote attacker can send specially crafted request directory to the affected endpoint and remotely wipe devices of other users.
Update the affected packages.
SUSE Package Hub for SUSE Linux Enterprise: 12
External linkshttp://lists.opensuse.org/opensuse-security-announce/2020-05/msg00037.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Cross-site scripting
EUVDB-ID: #VU27958
Risk: Low
CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-8155
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 a third-party library in Files PDF viewer for Nextcloud Server. 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.
MitigationUpdate the affected packages.
SUSE Package Hub for SUSE Linux Enterprise: 12
External linkshttp://lists.opensuse.org/opensuse-security-announce/2020-05/msg00037.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
