Infinite loop in xen (Alpine package)



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-17044
CWE-ID CWE-835
Exploitation vector Local network
Public exploit N/A
Vulnerable software
Subscribe 		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) Infinite loop

EUVDB-ID: #VU9442

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-17044

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: No

Description

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

The weakness exists due to an infinite loop. An adjacent attacker can trigger an error handling flaw in the processing of errors from the Populate on Demand (PoD) code and cause the service to crash.

Mitigation

Install update from vendor's website.

Vulnerable software versions

xen (Alpine package): 4.5.0-r0 - 4.7.3-r1

CPE2.3 External links

http://git.alpinelinux.org/aports/commit/?id=9e642dbbba00fb0048b96bf18001863bafa7ae86
http://git.alpinelinux.org/aports/commit/?id=de42cedd7793fc30ecdbaf536a34d14f17503137


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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