Multiple vulnerabilities in SaltStack Salt
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2020-25592 CVE-2020-17490 CVE-2020-16846 |
| CWE-ID | CWE-287 CWE-276 CWE-78 |
| Exploitation vector | Network |
| Public exploit |
Public exploit code for vulnerability #1 is available. Vulnerability #3 is being exploited in the wild. |
| Vulnerable software Subscribe |
Salt Web applications / Remote management & hosting panels |
| Vendor | SaltStack |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Improper Authentication
EUVDB-ID: #VU48206
Risk: High
CVSSv3.1: 3.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-25592
CWE-ID:
CWE-287 - Improper Authentication
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error when processing eauth credentials and tokens. A remote attacker can bypass authentication process and invoke Salt SSH.
Successful exploitation of the vulnerability will result in complete system compromise.
Install update from vendor's website.
Vulnerable software versionsSalt: 2014.1 - 3002
External linkshttp://lists.opensuse.org/opensuse-security-announce/2020-11/msg00029.html
http://docs.saltstack.com/en/latest/topics/releases/index.html
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TPOGB2F6XUAIGFDTOCQDNB2VIXFXHWMA/
http://www.saltstack.com/blog/on-november-3-2020-saltstack-publicly-disclosed-three-new-cves/
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) Incorrect default permissions
EUVDB-ID: #VU48205
Risk: Low
CVSSv3.1: 3.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-17490
CWE-ID:
CWE-276 - Incorrect Default Permissions
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to incorrect default permissions for files and folders that are set by the application within the TLS module. A local user with access to the system can view contents of files and directories or modify them.
MitigationInstall update from vendor's website.
Vulnerable software versionsSalt: 2014.1 - 3002
External linkshttp://lists.opensuse.org/opensuse-security-announce/2020-11/msg00029.html
http://docs.saltstack.com/en/latest/topics/releases/index.html#latest-branch-release
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TPOGB2F6XUAIGFDTOCQDNB2VIXFXHWMA/
http://www.saltstack.com/blog/on-november-3-2020-saltstack-publicly-disclosed-three-new-cves/
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.
3) OS Command Injection
EUVDB-ID: #VU48204
Risk: Medium
CVSSv3.1: 3.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-16846
CWE-ID:
CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation in SaltStack Salt when processing API requests. A remote attacker can send specially crafted request to the server and execute arbitrary OS commands on the target system.
Successful exploitation of the vulnerability requires that SSH client is enabled.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall update from vendor's website.
Vulnerable software versionsSalt: 2014.1 - 3002
External linkshttp://lists.opensuse.org/opensuse-security-announce/2020-11/msg00029.html
http://github.com/saltstack/salt/releases
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TPOGB2F6XUAIGFDTOCQDNB2VIXFXHWMA/
http://www.saltstack.com/blog/on-november-3-2020-saltstack-publicly-disclosed-three-new-cves/
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.
