Gentoo update for libvirt
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2018-5748 CVE-2018-6764 |
| CWE-ID | CWE-400 CWE-264 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Gentoo Linux Operating systems & Components / Operating system |
| Vendor | Gentoo |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Resource exhaustion
EUVDB-ID: #VU11465
Risk: Low
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-2018-5748
CWE-ID:
CWE-400 - Resource exhaustion
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to a flaw in qemu/qemu_monitor.c in libvirt. A remote attacker can supply a large QEMU reply, trigger resource exhaustion and cause the service to crash.
Update the affected packages.
app-emulation/libvirt to version: 4.1.0
Gentoo Linux: All versions
CPE2.3 External linkshttp://security.gentoo.org/glsa/201804-07
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.
2) 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 the affected packages.
app-emulation/libvirt to version: 4.1.0
Gentoo Linux: All versions
CPE2.3 External linkshttp://security.gentoo.org/glsa/201804-07
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.
