Red Hat update for rhev-hypervisor
| Risk | Critical |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2015-3456 |
| CWE-ID | CWE-119 |
| Exploitation vector | Network |
| Public exploit | This vulnerability is being exploited in the wild. |
| Vulnerable software Subscribe |
Red Hat Virtualization Server applications / Virtualization software |
| Vendor | Red Hat Inc. |
Security Bulletin
This security bulletin contains one critical risk vulnerability.
1) Buffer overflow
EUVDB-ID: #VU5580
Risk: Critical
CVSSv3.1: 9.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:F/RL:O/RC:C]
CVE-ID: CVE-2015-3456
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The weakness exists due to buffer overflow in the Floppy Disk Controller (FDC) emulation. A remote attacker can send specially crafted FDC commands, trigger memory corruption and execute arbitrary code with privileges of the current user.
Successful exploitation of the vulnerability may result in full control of the vulnerable system.
Note: the vulnerability was being actively exploited.
Mitigation
Install updates from vendor's website.
Red Hat Virtualization: 6 - 7
External linkshttp://access.redhat.com/errata/RHSA-2015:1011
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. However, a fully functional exploit for this vulnerability is available.
