Input validation error in Xen
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2015-2751 |
| CWE-ID | CWE-20 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Xen Server applications / Virtualization software Fedora Operating systems & Components / Operating system |
| Vendor |
Xen Project Fedoraproject |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Input validation error
EUVDB-ID: #VU40852
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2015-2751
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
Xen 4.3.x, 4.4.x, and 4.5.x, when using toolstack disaggregation, allows remote domains with partial management control to cause a denial of service (host lock) via unspecified domctl operations.
MitigationInstall update from vendor's website.
Vulnerable software versionsXen: 4.3.0 - 4.5.0
Fedora: 4.3.0 - 21
External linkshttp://lists.fedoraproject.org/pipermail/package-announce/2015-April/154574.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154579.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155198.html
http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00018.html
http://www.securityfocus.com/bid/73443
http://www.securitytracker.com/id/1031997
http://xenbits.xen.org/xsa/advisory-127.html
http://security.gentoo.org/glsa/201504-04
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
