Security restrictions bypass in libvirt
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2018-6764 |
| CWE-ID | CWE-264 |
| Exploitation vector | Local network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
libvirt Universal components / Libraries / Libraries used by multiple products |
| Vendor | libvirt.org |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Security restrictions bypass
EUVDB-ID: #VU10793
Risk: Low
CVSSv3.1: 7.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-6764
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows an adjacent attacker to bypass security restrictions on the target system.
The weakness exists in the util/virlog.c source code file due to improper determination of hostnames during LXC container startup. An adjacent attacker can bypass security restrictions and execute arbitrary commands.
Update to version 4.0.0-2.
Vulnerable software versionslibvirt: 3.7.0 - 4.0.0
External linkshttp://libvirt.org/git/?p=libvirt.git;a=commit;h=759b4d1b0fe5f4d84d98b99153dfa7ac289dd167
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.
