CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.2 | $0-$5k | 0.00 |
A vulnerability, which was classified as critical, has been found in Linux Kernel (Operating System). Affected by this issue is some unknown processing of the component UEFI Secure Boot. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. CVE summarizes:
The Linux kernel, as used in Red Hat Enterprise Linux 7.2 and Red Hat Enterprise MRG 2 and when booted with UEFI Secure Boot enabled, allows local users to bypass intended Secure Boot restrictions and execute untrusted code by appending ACPI tables to the initrd.
The weakness was shared 10/07/2016 (Website). The advisory is shared for download at openwall.com. This vulnerability is handled as CVE-2016-3699 since 03/30/2016. The exploitation is known to be easy. The attack needs to be approached locally. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.
The vulnerability scanner Nessus provides a plugin with the ID 95046 (OracleVM 3.3 : Unbreakable / etc (OVMSA-2016-0163)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family OracleVM Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 236154 (Red Hat Update for kernel-rt (RHSA-2016:2584)).
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 (95046). The entries 79925, 80182, 82947 and 90658 are related to this item.
Affected
- Red Hat Enterprise Linux 7.2
Product
Type
Vendor
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: 7.4VulDB Meta Temp Score: 7.2
VulDB Base Score: 7.4
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.4
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
Class: Access controlCWE: CWE-264
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: 95046
Nessus Name: OracleVM 3.3 : Unbreakable / etc (OVMSA-2016-0163)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 863279
OpenVAS Name: RedHat Update for kernel RHSA-2016:2574-02
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Patch: github.com
Timeline
03/30/2016 🔍09/22/2016 🔍
10/07/2016 🔍
10/07/2016 🔍
10/08/2016 🔍
11/21/2016 🔍
11/22/2016 🔍
09/22/2022 🔍
Sources
Vendor: kernel.orgAdvisory: a4a5ed2835e8ea042868b7401dced3f517cafa76
Status: Not defined
Confirmation: 🔍
CVE: CVE-2016-3699 (🔍)
SecurityFocus: 93114 - Red Hat Enterprise Linux CVE-2016-3699 Local Security Bypass Vulnerability
See also: 🔍
Entry
Created: 10/08/2016 19:00Updated: 09/22/2022 16:31
Changes: 10/08/2016 19:00 (66), 05/04/2019 21:50 (14), 09/22/2022 16:23 (4), 09/22/2022 16:31 (1)
Complete: 🔍
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