Vulnerability Details : CVE-2016-9776
QEMU (aka Quick Emulator) built with the ColdFire Fast Ethernet Controller emulator support is vulnerable to an infinite loop issue. It could occur while receiving packets in 'mcf_fec_receive'. A privileged user/process inside guest could use this issue to crash the QEMU process on the host leading to DoS.
Vulnerability category: Denial of service
Products affected by CVE-2016-9776
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:2.8.0:rc0:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:2.8.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:2.8.0:rc2:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-9776
0.10%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 24 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-9776
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
2.1
|
LOW | AV:L/AC:L/Au:N/C:N/I:N/A:P |
3.9
|
2.9
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2016-9776
-
The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-9776
-
https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg05324.html
Re: [Qemu-devel] [PATCH] net: mcf: check receive buffer size register vaPatch;Vendor Advisory
-
https://bugzilla.redhat.com/show_bug.cgi?id=1400829
1400829 – (CVE-2016-9776) CVE-2016-9776 Qemu: net: mcf_fec: infinite loop while receiving data in mcf_fec_receiveIssue Tracking;Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2016/12/02/8
oss-security - Re: CVE request Qemu: net: mcf_fec: infinite loop while receiving data in mcf_fec_receiveMailing List;Third Party Advisory
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https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
[SECURITY] [DLA 1497-1] qemu security updateThird Party Advisory
-
http://www.securityfocus.com/bid/94638
QEMU '/hw/net/mcf_fec.c' Denial of Service VulnerabilityThird Party Advisory;VDB Entry
-
https://security.gentoo.org/glsa/201701-49
QEMU: Multiple vulnerabilities (GLSA 201701-49) — Gentoo securityThird Party Advisory
-
http://www.openwall.com/lists/oss-security/2016/12/02/3
oss-security - CVE request Qemu: net: mcf_fec: infinite loop while receiving data in mcf_fec_receiveMailing List;Third Party Advisory
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