CVE-2016-6835
published 2016-12-10CVE-2016-6835: The vmxnet_tx_pkt_parse_headers function in hw/net/vmxnet_tx_pkt.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of…
PriorityP418medium6CVSS 3.1
AVLACLPRHUINSCCNINAH
EPSS
0.39%
31.9th percentile
The vmxnet_tx_pkt_parse_headers function in hw/net/vmxnet_tx_pkt.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (buffer over-read) by leveraging failure to check IP header length.
Affected
10 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | debian_linux | — | — |
| debian | qemu | < qemu 1:2.6+dfsg-3.1 (bookworm) | qemu 1:2.6+dfsg-3.1 (bookworm) |
| qemu | qemu | < 2.6.0 | 2.6.0 |
| qemu | qemu | >= 0 < 1:2.6+dfsg-3.1 | 1:2.6+dfsg-3.1 |
| qemu | qemu | >= 0 < 1:2.6+dfsg-3.1 | 1:2.6+dfsg-3.1 |
| qemu | qemu | >= 0 < 1:2.6+dfsg-3.1 | 1:2.6+dfsg-3.1 |
| qemu | qemu | >= 0 < 1:2.6+dfsg-3.1 | 1:2.6+dfsg-3.1 |
| qemu | qemu | >= 0 < 2.0.0+dfsg-2ubuntu1.30 | 2.0.0+dfsg-2ubuntu1.30 |
| qemu | qemu | >= 0 < 1:2.5+dfsg-5ubuntu10.6 | 1:2.5+dfsg-5ubuntu10.6 |
| redhat | virtualization | — | — |
CVSS provenance
nvdv3.16.0MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
nvdv2.02.1LOWAV:L/AC:L/Au:N/C:N/I:N/A:P
osv6.0MEDIUM
vendor_debian6.0MEDIUM
vendor_redhat6.0MEDIUM
vendor_ubuntu5.5MEDIUM
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GHSA
GHSA-qv57-784w-q593: The vmxnet_tx_pkt_parse_headers function in hw/net/vmxnet_tx_pkt
ghsa_unreviewed·2022-05-13
CVE-2016-6835 [MEDIUM] GHSA-qv57-784w-q593: The vmxnet_tx_pkt_parse_headers function in hw/net/vmxnet_tx_pkt
The vmxnet_tx_pkt_parse_headers function in hw/net/vmxnet_tx_pkt.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (buffer over-read) by leveraging failure to check IP header length.
OSV
CVE-2016-6835: The vmxnet_tx_pkt_parse_headers function in hw/net/vmxnet_tx_pkt
osv·2016-12-10·CVSS 6.0
CVE-2016-6835 [MEDIUM] CVE-2016-6835: The vmxnet_tx_pkt_parse_headers function in hw/net/vmxnet_tx_pkt
The vmxnet_tx_pkt_parse_headers function in hw/net/vmxnet_tx_pkt.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (buffer over-read) by leveraging failure to check IP header length.
OSV
qemu, qemu-kvm vulnerabilities
osv·2016-11-09·CVSS 5.5
CVE-2016-5403 [MEDIUM] qemu, qemu-kvm vulnerabilities
qemu, qemu-kvm vulnerabilities
Zhenhao Hong discovered that QEMU incorrectly handled the Virtio module. A
privileged attacker inside the guest could use this issue to cause QEMU to
consume resources, resulting in a denial of service. (CVE-2016-5403)
Li Qiang discovered that QEMU incorrectly handled VMWARE VMXNET3 network
card emulation support. A privileged attacker inside the guest could use
this issue to cause QEMU to crash, resulting in a denial of service. This
issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 16.10.
(CVE-2016-6833, CVE-2016-6834, CVE-2016-6888)
Li Qiang discovered that QEMU incorrectly handled VMWARE VMXNET3 network
card emulation support. A privileged attacker inside the guest could use
this issue to cause QEMU to crash, resulting in a denial of se
Ubuntu
QEMU vulnerabilities
vendor_ubuntu·2016-11-09·CVSS 5.5
CVE-2016-5403 [MEDIUM] QEMU vulnerabilities
Title: QEMU vulnerabilities
Summary: Several security issues were fixed in QEMU.
Zhenhao Hong discovered that QEMU incorrectly handled the Virtio module. A
privileged attacker inside the guest could use this issue to cause QEMU to
consume resources, resulting in a denial of service. (CVE-2016-5403)
Li Qiang discovered that QEMU incorrectly handled VMWARE VMXNET3 network
card emulation support. A privileged attacker inside the guest could use
this issue to cause QEMU to crash, resulting in a denial of service. This
issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 16.10.
(CVE-2016-6833, CVE-2016-6834, CVE-2016-6888)
Li Qiang discovered that QEMU incorrectly handled VMWARE VMXNET3 network
card emulation support. A privileged attacker inside the guest could use
this issue
Red Hat
Qemu: net: vmxnet: buffer overflow in vmxnet_tx_pkt_parse_headers() in vmxnet3 device emulation
vendor_redhat·2016-08-09·CVSS 6.0
CVE-2016-6835 [MEDIUM] CWE-122 Qemu: net: vmxnet: buffer overflow in vmxnet_tx_pkt_parse_headers() in vmxnet3 device emulation
Qemu: net: vmxnet: buffer overflow in vmxnet_tx_pkt_parse_headers() in vmxnet3 device emulation
The vmxnet_tx_pkt_parse_headers function in hw/net/vmxnet_tx_pkt.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (buffer over-read) by leveraging failure to check IP header length.
Package: xen (Red Hat Enterprise Linux 5) - Not affected
Package: qemu-kvm (Red Hat Enterprise Linux 6) - Not affected
Package: qemu-kvm (Red Hat Enterprise Linux 7) - Affected
Package: qemu-kvm-rhev (Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6) - Not affected
Package: qemu-kvm-rhev (Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7) - Not affected
Package: qemu-kvm-rhev (Red Hat Enterprise Linux OpenStack Platform 6
Debian
CVE-2016-6835: qemu - The vmxnet_tx_pkt_parse_headers function in hw/net/vmxnet_tx_pkt.c in QEMU (aka ...
vendor_debian·2016·CVSS 6.0
CVE-2016-6835 [MEDIUM] CVE-2016-6835: qemu - The vmxnet_tx_pkt_parse_headers function in hw/net/vmxnet_tx_pkt.c in QEMU (aka ...
The vmxnet_tx_pkt_parse_headers function in hw/net/vmxnet_tx_pkt.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (buffer over-read) by leveraging failure to check IP header length.
Scope: local
bookworm: resolved (fixed in 1:2.6+dfsg-3.1)
bullseye: resolved (fixed in 1:2.6+dfsg-3.1)
forky: resolved (fixed in 1:2.6+dfsg-3.1)
sid: resolved (fixed in 1:2.6+dfsg-3.1)
trixie: resolved (fixed in 1:2.6+dfsg-3.1)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2016-6835 Qemu: net: vmxnet: buffer overflow in vmxnet_tx_pkt_parse_headers() in vmxnet3 device emulation [fedora-all]
bugzilla·2016-08-22·CVSS 6.0
CVE-2016-6835 [MEDIUM] CVE-2016-6835 Qemu: net: vmxnet: buffer overflow in vmxnet_tx_pkt_parse_headers() in vmxnet3 device emulation [fedora-all]
CVE-2016-6835 Qemu: net: vmxnet: buffer overflow in vmxnet_tx_pkt_parse_headers() in vmxnet3 device emulation [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of Fedora.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this
Bugzilla
CVE-2016-6835 Qemu: net: vmxnet: buffer overflow in vmxnet_tx_pkt_parse_headers() in vmxnet3 device emulation
bugzilla·2016-08-22·CVSS 6.0
CVE-2016-6835 [MEDIUM] CVE-2016-6835 Qemu: net: vmxnet: buffer overflow in vmxnet_tx_pkt_parse_headers() in vmxnet3 device emulation
CVE-2016-6835 Qemu: net: vmxnet: buffer overflow in vmxnet_tx_pkt_parse_headers() in vmxnet3 device emulation
Quick Emulator(Qemu) built with the VMWARE VMXNET3 NIC device support is
vulnerable to an OOB access issue. In that it does not check if packet headers
does not check for IP header length. It could lead to a OOB access when
reading further packet data.
A privileged user inside guest could use this issue to crash the Qemu process
instance or potentially execute arbitrary code on the host, with privileges of
the Qemu process.
Upstream patch:
-> https://lists.gnu.org/archive/html/qemu-stable/2016-08/msg00077.html
Reference:
-> http://www.openwall.com/lists/oss-security/2016/08/18/4
Discussion:
Acknowledgments:
Name: Li Qiang (Qihoo 360 Inc.)
---
Created qemu tracking bugs fo
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=93060258ae748573ca7197204125a2670047896dhttp://www.openwall.com/lists/oss-security/2016/08/11/7http://www.openwall.com/lists/oss-security/2016/08/18/4https://access.redhat.com/errata/RHSA-2017:2392https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlhttps://lists.gnu.org/archive/html/qemu-stable/2016-08/msg00077.htmlhttp://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=93060258ae748573ca7197204125a2670047896dhttp://www.openwall.com/lists/oss-security/2016/08/11/7http://www.openwall.com/lists/oss-security/2016/08/18/4https://access.redhat.com/errata/RHSA-2017:2392https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlhttps://lists.gnu.org/archive/html/qemu-stable/2016-08/msg00077.html
2016-12-10
Published