CVE-2016-6835
QEMU VMXnet Denial of Service Buffer Over-Read
Description
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.
INFO
Published Date :
Dec. 10, 2016, 12:59 a.m.
Last Modified :
Feb. 12, 2023, 11:25 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
4.0
Exploitability Score :
1.5
Affected Products
The following products are affected by CVE-2016-6835
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2016-6835.
| URL | Resource |
|---|---|
| http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=93060258ae748573ca7197204125a2670047896d | |
| http://www.openwall.com/lists/oss-security/2016/08/11/7 | Mailing List Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2016/08/18/4 | Mailing List Third Party Advisory |
| https://access.redhat.com/errata/RHSA-2017:2392 | Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html | Mailing List Third Party Advisory |
| https://lists.gnu.org/archive/html/qemu-stable/2016-08/msg00077.html | Patch Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2016-6835 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2016-6835 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Feb. 12, 2023
Action Type Old Value New Value Changed Description CVE-2016-6835 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. Removed CVSS V2 Red Hat, Inc. (AV:A/AC:M/Au:S/C:N/I:P/A:P) Removed CVSS V3 Red Hat, Inc. AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L Removed Reference https://access.redhat.com/security/cve/CVE-2016-6835 [No Types Assigned] Removed Reference https://bugzilla.redhat.com/show_bug.cgi?id=1369012 [No Types Assigned] -
CVE Modified by [email protected]
Feb. 02, 2023
Action Type Old Value New Value Changed Description 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. CVE-2016-6835 Qemu: net: vmxnet: buffer overflow in vmxnet_tx_pkt_parse_headers() in vmxnet3 device emulation Added CVSS V2 Red Hat, Inc. (AV:A/AC:M/Au:S/C:N/I:P/A:P) Added CVSS V3 Red Hat, Inc. AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L Removed Reference http://git.qemu.org/?p=qemu.git;a=commit;h=93060258ae748573ca7197204125a2670047896d [Patch, Vendor Advisory] Added Reference https://access.redhat.com/security/cve/CVE-2016-6835 [No Types Assigned] Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1369012 [No Types Assigned] Added Reference http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=93060258ae748573ca7197204125a2670047896d [No Types Assigned] -
Modified Analysis by [email protected]
Oct. 19, 2020
Action Type Old Value New Value Removed CVSS V3 NIST AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H Added CVSS V3.1 NIST AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H Changed Reference Type http://git.qemu.org/?p=qemu.git;a=commit;h=93060258ae748573ca7197204125a2670047896d Issue Tracking, Patch http://git.qemu.org/?p=qemu.git;a=commit;h=93060258ae748573ca7197204125a2670047896d Patch, Vendor Advisory Changed Reference Type https://access.redhat.com/errata/RHSA-2017:2392 No Types Assigned https://access.redhat.com/errata/RHSA-2017:2392 Third Party Advisory Changed Reference Type https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html No Types Assigned https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html Mailing List, Third Party Advisory Removed CWE NIST CWE-119 Added CWE NIST NVD-CWE-Other Changed CPE Configuration OR *cpe:2.3:a:qemu:qemu:-:*:*:*:*:*:*:* OR *cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* versions up to (excluding) 2.6.0 Added CPE Configuration AND OR *cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:* OR cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Sep. 07, 2018
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html [No Types Assigned] -
CVE Modified by [email protected]
Jan. 05, 2018
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2017:2392 [No Types Assigned] -
Initial Analysis by [email protected]
Dec. 12, 2016
Action Type Old Value New Value Added CPE Configuration Configuration 1 OR *cpe:2.3:a:qemu:qemu:-:*:*:*:*:*:*:* Added CVSS V2 (AV:L/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3 AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H Changed Reference Type http://www.openwall.com/lists/oss-security/2016/08/11/7 No Types Assigned http://www.openwall.com/lists/oss-security/2016/08/11/7 Third Party Advisory, Mailing List Changed Reference Type https://lists.gnu.org/archive/html/qemu-stable/2016-08/msg00077.html No Types Assigned https://lists.gnu.org/archive/html/qemu-stable/2016-08/msg00077.html Vendor Advisory, Patch Changed Reference Type http://git.qemu.org/?p=qemu.git;a=commit;h=93060258ae748573ca7197204125a2670047896d No Types Assigned http://git.qemu.org/?p=qemu.git;a=commit;h=93060258ae748573ca7197204125a2670047896d Issue Tracking, Patch Changed Reference Type http://www.openwall.com/lists/oss-security/2016/08/18/4 No Types Assigned http://www.openwall.com/lists/oss-security/2016/08/18/4 Third Party Advisory, Mailing List Added CWE CWE-119
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2016-6835 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2016-6835
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.06 }} 0.00%
score
0.24592
percentile