Path traversal in salt (Alpine package)



Published: 2018-11-27
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-15750
CWE-ID CWE-22
Exploitation vector Network
Public exploit N/A
Vulnerable software
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salt (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Path traversal

EUVDB-ID: #VU15544

Risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-15750

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote attacker to obtain potentially sensitive information.

The vulnerability exists due to insufficient validation of user-supplied input processed by the salt-api component. A remote attacker can send a query request that submits malicious input, conduct directory traversal attack and determine what files exist on the system, and this information can be used to conduct further attacks.

Mitigation

Install update from vendor's website.

Vulnerable software versions

salt (Alpine package): 2017.7.1-r0 - 2018.3.1-r0

External links

http://git.alpinelinux.org/aports/commit/?id=3651514355fa1b390a1fb67d4b7b0bbfb114604e
http://git.alpinelinux.org/aports/commit/?id=df12aa925fb3f2af102355f89a8ff1e8ef335a73


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.



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