CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.8 | $0-$5k | 0.00 |
A vulnerability classified as problematic was found in QEMU (Virtualization Software) (unknown version). Affected by this vulnerability is the function v9fs_xattrcreate
of the file hw/9pfs/9p.c. The manipulation with an unknown input leads to a memory corruption vulnerability (Memory). 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. The summary by CVE is:
The v9fs_xattrcreate function in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allows local guest OS administrators to obtain sensitive host heap memory information by reading xattribute values before writing to them.
The bug was discovered 12/09/2016. The weakness was published 12/09/2016 by Li Qiang with 360.cn Inc. (Website). It is possible to read the advisory at git.qemu.org. This vulnerability is known as CVE-2016-9103 since 10/28/2016. Attacking locally is a requirement. The requirement for exploitation is a single authentication. Technical details of the vulnerability are known, but there is no available exploit.
The vulnerability scanner Nessus provides a plugin with the ID 95316 (SUSE SLES11 Security Update : kvm (SUSE-SU-2016:2902-1)), 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 169412 (SUSE Enterprise Linux Security Update for qemu (SUSE-SU-2016:2988-1)).
Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (95316). Similar entries are available at 92455, 93308, 93309 and 93310.
Product
Type
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.0VulDB Meta Temp Score: 5.8
VulDB Base Score: 6.0
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.0
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Name: MemoryClass: Memory corruption / Memory
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Nessus ID: 95316
Nessus Name: SUSE SLES11 Security Update : kvm (SUSE-SU-2016:2902-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 65785
OpenVAS Name: SuSE Update for qemu openSUSE-SU-2016:3103-1 (qemu)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Patch: eb687602853b4ae656e9236ee4222609f3a6887d
Timeline
10/28/2016 🔍10/28/2016 🔍
11/24/2016 🔍
11/25/2016 🔍
12/09/2016 🔍
12/09/2016 🔍
12/09/2016 🔍
12/10/2016 🔍
10/05/2022 🔍
Sources
Product: qemu.orgAdvisory: DLA 1599-1
Researcher: Li Qiang
Organization: 360.cn Inc.
Status: Not defined
Confirmation: 🔍
CVE: CVE-2016-9103 (🔍)
SecurityFocus: 93955 - QEMU 'hw/9pfs/9p.c' Information Disclosure Vulnerability
See also: 🔍
Entry
Created: 12/10/2016 13:38Updated: 10/05/2022 12:19
Changes: 12/10/2016 13:38 (64), 06/22/2019 20:27 (17), 10/05/2022 12:19 (6)
Complete: 🔍
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