NULL pointer dereference in qemu (Alpine package)
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2016-8578 |
| CWE-ID | CWE-476 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
qemu (Alpine package) Operating systems & Components / Operating system package or component |
| Vendor | Alpine Linux Development Team |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) NULL pointer dereference
EUVDB-ID: #VU32132
Risk: Medium
CVSSv3.1: 5.2 [AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2016-8578
CWE-ID:
CWE-476 - NULL Pointer Dereference
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in fsdev/9p-iov-marshal.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) by sending an empty string parameter to a 9P operation. A remote attacker can perform a denial of service (DoS) attack.
MitigationInstall update from vendor's website.
Vulnerable software versionsqemu (Alpine package): 2.8.1-r0
CPE2.3 External linkshttp://git.alpinelinux.org/aports/commit/?id=64053e93d1b2192473cc16b8719d43e6b1c036a6
http://git.alpinelinux.org/aports/commit/?id=251f7b99aba7d81c9ef398c6f3ec41f06c2ba661
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.
