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Vulnerability Details : CVE-2016-7909

The pcnet_rdra_addr function in hw/net/pcnet.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by setting the (1) receive or (2) transmit descriptor ring length to 0.
Publish Date : 2016-10-05 Last Update Date : 2018-12-01
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- CVSS Scores & Vulnerability Types

CVSS Score
4.9
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 399

- Products Affected By CVE-2016-7909

# Product Type Vendor Product Version Update Edition Language
1 Application Qemu Qemu Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Qemu Qemu 1

- References For CVE-2016-7909

https://security.gentoo.org/glsa/201611-11
GENTOO GLSA-201611-11
https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg07942.html
MLIST [qemu-devel] 20160930 [PATCH 1/2] net: pcnet: check rx/tx descriptor ring length
http://www.securityfocus.com/bid/93275
BID 93275 QEMU Infinite Loop CVE-2016-7909 Denial of Service Vulnerability Release Date:2017-01-05
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
MLIST [debian-lts-announce] 20181130 [SECURITY] [DLA 1599-1] qemu security update
http://www.openwall.com/lists/oss-security/2016/10/03/6
MLIST [oss-security] 20161003 Re: CVE Request Qemu: net: pcnet: infinite loop in pcnet_rdra_addr
http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html
SUSE openSUSE-SU-2016:3237
http://www.openwall.com/lists/oss-security/2016/10/03/3
MLIST [oss-security] 20161003 CVE Request Qemu: net: pcnet: infinite loop in pcnet_rdra_addr

- Metasploit Modules Related To CVE-2016-7909

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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