Path traversal in xen (Alpine package)



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-14007
CWE-ID CWE-22
Exploitation vector Local network
Public exploit N/A
Vulnerable software
 xen (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: #VU14474

Risk: Low

CVSSv4.0: 4.9 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-14007

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

Exploit availability: No

Description

The vulnerability allows an adjacent attacker to obtain potentially sensitive information on the target system.

The vulnerability exists due to path traversal. An adjacent attacker can conduct directory traversal attack and read arbitrary files from the dom0 filesystem  including the pool secret /etc/xensource/ptoken which grants the attacker full administrator.

Mitigation

Install update from vendor's website.

Vulnerable software versions

xen (Alpine package): 4.10.1-r2

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=74dce6e0451466b8eb5078660886cc226f9704f4


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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