OpenSUSE Linux update for qemu
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 8 |
| CVE-ID | CVE-2017-15119 CVE-2017-15124 CVE-2017-16845 CVE-2017-17381 CVE-2017-18043 CVE-2017-5715 CVE-2018-5683 CVE-2018-7550 |
| CWE-ID | CWE-400 CWE-789 CWE-125 CWE-369 CWE-190 CWE-200 CWE-119 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #6 is available. |
| Vulnerable software Subscribe |
QEMU Client/Desktop applications / Virtualization software Intel CPU Hardware solutions / Firmware |
| Vendor |
QEMU Intel |
Security Bulletin
This security bulletin contains information about 8 vulnerabilities.
1) Resource exhaustion
EUVDB-ID: #VU11231
Risk: Medium
CVSSv3.1: 7.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-15119
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 resource exhaustion when sending large option requests, making the server waste CPU time on reading up to 4GB per request. A remote attacker can cause the service to crash.
Update the affected packages.
QEMU: 2.8.0 - 2.11.0
External linkshttp://lists.opensuse.org/opensuse-security-announce/2018-03/msg00053.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to open a a specially crafted file.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Memory allocation
EUVDB-ID: #VU11232
Risk: Medium
CVSSv3.1: 7.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-15124
CWE-ID:
CWE-789 - Uncontrolled Memory Allocation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to uncontrolled memory allocation when not throttling the framebuffer updates sent to the client. A remote attacker can cause the service to crash.
Update the affected packages.
QEMU: 2.8.0 - 2.11.0
External linkshttp://lists.opensuse.org/opensuse-security-announce/2018-03/msg00053.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to open a a specially crafted file.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Out-of-bounds read
EUVDB-ID: #VU11233
Risk: High
CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-16845
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition or execute arbitrary code on the target system.
The weakness exists due to out-of-bounds read. A remote attacker can cause the service to crash or execute arbitrary code.
Successful exploitation of the vulnerability may result in system compromise.
Update the affected packages.
QEMU: 2.8.0 - 2.11.0
External linkshttp://lists.opensuse.org/opensuse-security-announce/2018-03/msg00053.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to open a a specially crafted file.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
4) Divide by zero
EUVDB-ID: #VU11234
Risk: Medium
CVSSv3.1: 5.9 [CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-17381
CWE-ID:
CWE-369 - Divide By Zero
Exploit availability: No
DescriptionThe vulnerability allows an adjacent attacker to cause DoS condition on the target system.
The weakness exists due to divide by zero when unsetting vring alignment while updating Virtio rings. An adjacent attacker can cause the service to crash.
Update the affected packages.
QEMU: 2.8.0 - 2.11.0
External linkshttp://lists.opensuse.org/opensuse-security-announce/2018-03/msg00053.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to open a a specially crafted file.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
5) Integer overflow
EUVDB-ID: #VU11235
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-18043
CWE-ID:
CWE-190 - Integer overflow
Exploit availability: No
DescriptionThe vulnerability allows a local attacker to cause DoS condition on the target system.
The weakness exists due to integer overflow when incorrect handling of certain rounding operations. A local attacker can cause the service to crash.
Update the affected packages.
QEMU: 2.8.0 - 2.11.0
External linkshttp://lists.opensuse.org/opensuse-security-announce/2018-03/msg00053.html
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to open a a specially crafted file.
The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
6) Information disclosure
EUVDB-ID: #VU9883
Risk: Low
CVSSv3.1: 5 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C]
CVE-ID: CVE-2017-5715
CWE-ID:
CWE-200 - Information exposure
Exploit availability: Yes
DescriptionThe vulnerability allows a local attacker to obtain potentially sensitive information.
The vulnerability exists in Intel CPU hardware due to improper implementation of the speculative execution of instructions. A local attacker can utilize branch target injection, execute arbitrary code, perform a side-channel attack and read sensitive memory information.
MitigationUpdate the affected packages.
Intel CPU: All versions
External linkshttp://lists.opensuse.org/opensuse-security-announce/2018-03/msg00053.html
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
7) Out-of-bounds read
EUVDB-ID: #VU10941
Risk: Low
CVSSv3.1: 3.1 [CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-5683
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows an adjacent low-privileged attacker to cause DoS condition on the target system.
The weakness exists in the vga_draw_text function due to out-of-bounds read. A remote attacker can leverage improper memory address validation, trigger memory error and cause QEMU process to crash.
Update the affected packages.
QEMU: All versions
External linkshttp://lists.opensuse.org/opensuse-security-announce/2018-03/msg00053.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to open a a specially crafted file.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
8) Memory corruption
EUVDB-ID: #VU11163
Risk: Medium
CVSSv3.1: 8.3 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-7550
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows an adjacent attacker to execute arbitrary code on the target system.
The weakness exists in the load_multiboot function due to out-of-bounds read or write. An adjacent attacker can load a kernel image during the boot process, which may cause the mh_load_end_addr address to be greater than the mh_bss_end_addr address, trigger memory corruption and execute arbitrary code.
Successful exploitation of the vulnerability may result in system compromise.
Update the affected packages.
QEMU: 2.0.0 - 2.11.1
External linkshttp://lists.opensuse.org/opensuse-security-announce/2018-03/msg00053.html
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).
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to open a a specially crafted file.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
