Denial of service in xen (Alpine package)



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-17565
CWE-ID CWE-264
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) Denial of service

EUVDB-ID: #VU10614

Risk: Low

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

CVE-ID: CVE-2017-17565

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows an adjacent attacker to cause DoS condition on the target system.

The weakness exists due to improper assertion related to machine-to-physical (M2P) translation table entries. A remote attacker can cause the system to crash.

Mitigation

Install update from vendor's website.

Vulnerable software versions

xen (Alpine package): 4.5.0-r0 - 4.6.6-r2

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=6e2ae39b5d0e697b956f42282f5cb9e6ecfb2e29
https://git.alpinelinux.org/aports/commit/?id=8a03efa3f54d603aed0da0d4fd9b7439388a64cd
https://git.alpinelinux.org/aports/commit/?id=2e27888986ee5f1a314e43e670e33e3ba45fe107


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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