Information disclosure in ansible (Alpine package)



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-10156
CWE-ID CWE-200
Exploitation vector Network
Public exploit N/A
Vulnerable software
 ansible (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Information disclosure

EUVDB-ID: #VU30975

Risk: Medium

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-10156

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

The vulnerability allows a remote authenticated user to read and manipulate data.

A flaw was discovered in the way Ansible templating was implemented in versions before 2.6.18, 2.7.12 and 2.8.2, causing the possibility of information disclosure through unexpected variable substitution. By taking advantage of unintended variable substitution the content of any variable may be disclosed.

Mitigation

Install update from vendor's website.

Vulnerable software versions

ansible (Alpine package): 2.5.15-r0

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=b60d8b5c9d3dc25f386bae243a6153b3d4909567
https://git.alpinelinux.org/aports/commit/?id=0d403fc427e3c64a510e755977ce67de1873c16a
https://git.alpinelinux.org/aports/commit/?id=654c8976252f508114c2d655af63ee207cc11b00


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.



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