Path traversal in ansible (Alpine package)
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-1737 |
| CWE-ID | CWE-22 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
ansible (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: #VU29026
Risk: Low
CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-1737
CWE-ID:
CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Exploit availability: No
DescriptionThe vulnerability allows a local user to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences within the "Extract-Zip" function from the "win_unzip" module. A local user can send a specially crafted HTTP request and read arbitrary files on the system.
MitigationInstall update from vendor's website.
Vulnerable software versionsansible (Alpine package): 2.7.16-r0
External linkshttp://git.alpinelinux.org/aports/commit/?id=ec2f3b6aa9db9937f43c70b5c3caa8fbf7132575
http://git.alpinelinux.org/aports/commit/?id=d4da1926ae91c64e47306a32a4627148900ff3c8
http://git.alpinelinux.org/aports/commit/?id=457913175597d4cf53123064b576a5527a9aa0de
http://git.alpinelinux.org/aports/commit/?id=899a908f75043f9a408b168005ecc557d060f15e
http://git.alpinelinux.org/aports/commit/?id=609712eebaae8fa38739e422702af34deca6e4d0
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.
