Permissions, Privileges, and Access Controls in xen (Alpine package)



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2013-2077
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) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU32662

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2013-2077

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

Exploit availability: No

Description

The vulnerability allows a remote #AU# to perform a denial of service (DoS) attack.

Xen 4.0.x, 4.1.x, and 4.2.x does not properly restrict the contents of a XRSTOR, which allows local PV guest users to cause a denial of service (unhandled exception and hypervisor crash) via unspecified vectors.

Mitigation

Install update from vendor's website.

Vulnerable software versions

xen (Alpine package): 4.1.4-r3

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=a2883b66233b3bc958ccb3555996adeacd070c64
https://git.alpinelinux.org/aports/commit/?id=9da25b8784e5b39b905e86bdb94e5a0026f10bd4
https://git.alpinelinux.org/aports/commit/?id=e466dbbf828a8e83c3f34d7311afcaf02e1d2408
https://git.alpinelinux.org/aports/commit/?id=f6e99451d47fbe7cdb852f48dd11006808db52ae


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user 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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