QEMU Guest NIC hw/net/mipsnet.c mipsnet_receive Large Packet memory corruption
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
8.8 | $0-$5k | 0.00 |
A vulnerability has been found in QEMU (Virtualization Software) (the affected version is unknown) and classified as critical. This vulnerability affects the function mipsnet_receive
of the file hw/net/mipsnet.c of the component Guest NIC Handler. The manipulation as part of a Large Packet leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
Buffer overflow in the mipsnet_receive function in hw/net/mipsnet.c in QEMU, when the guest NIC is configured to accept large packets, allows remote attackers to cause a denial of service (memory corruption and QEMU crash) or possibly execute arbitrary code via a packet larger than 1514 bytes.
The weakness was disclosed 04/26/2016 with Intel (Website). The advisory is shared for download at lists.gnu.org. This vulnerability was named CVE-2016-4002 since 04/12/2016. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.
The vulnerability scanner Nessus provides a plugin with the ID 91660 (SUSE SLED12 / SLES12 Security Update : qemu (SUSE-SU-2016:1560-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176848 (Debian Security Update for qemu (DLA 1599-1)).
Upgrading eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (91660). The entries 81088, 81154, 81155 and 81198 are pretty similar.
Product
Type
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
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CVSSv3
VulDB Meta Base Score: 9.0VulDB Meta Temp Score: 8.8
VulDB Base Score: 9.0
VulDB Temp Score: 8.6
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.0
NVD Vector: 🔍
CVSSv2
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Exploiting
Class: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
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Nessus ID: 91660
Nessus Name: SUSE SLED12 / SLES12 Security Update : qemu (SUSE-SU-2016:1560-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 802147
OpenVAS Name: Fedora Update for xen FEDORA-2016-35
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
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Timeline
04/12/2016 🔍04/12/2016 🔍
04/26/2016 🔍
04/26/2016 🔍
04/27/2016 🔍
06/13/2016 🔍
06/17/2016 🔍
07/26/2022 🔍
Sources
Product: qemu.orgAdvisory: USN-2974-1
Organization: Intel
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2016-4002 (🔍)
SecurityFocus: 85992 - QEMU '/hw/net/mipsnet.c' Remote Buffer Overflow Vulnerability
See also: 🔍
Entry
Created: 04/27/2016 10:32Updated: 07/26/2022 20:17
Changes: 04/27/2016 10:32 (65), 10/26/2018 08:53 (16), 07/26/2022 20:17 (3)
Complete: 🔍
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