CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.3 | $0-$5k | 0.00 |
A vulnerability classified as critical was found in FreeBSD 9.3/10.1 (Operating System). Affected by this vulnerability is some unknown processing of the component Linux Futex Robust List Handler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
The Linux compatibility layer in the kernel in FreeBSD 9.3, 10.1, and 10.2 allows local users to read portions of kernel memory and potentially gain privilege via unspecified vectors, related to "handling of Linux futex robust lists."
The weakness was disclosed 01/14/2016 by Mateusz Guzik as FreeBSD-SA-16:03.linux as confirmed advisory (Website). The advisory is shared at security.freebsd.org. This vulnerability is known as CVE-2016-1880 since 01/13/2016. The exploitation appears to be easy. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.
The vulnerability scanner Nessus provides a plugin with the ID 92916 (FreeBSD : FreeBSD -- Linux compatibility layer incorrect futex handling (793fb19c-600a-11e6-a6c3-14dae9d210b8)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 124628 (FreeBSD Multiple Security Vulnerabilities).
Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at X-Force (109642) and Tenable (92916).
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
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CVSSv3
VulDB Meta Base Score: 7.8VulDB Meta Temp Score: 7.3
VulDB Base Score: 7.8
VulDB Temp Score: 6.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
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Exploiting
Class: Access controlCWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍
Local: Yes
Remote: No
Availability: 🔍
Status: Unproven
EPSS Score: 🔍
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Price Prediction: 🔍
Current Price Estimation: 🔍
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Nessus ID: 92916
Nessus Name: FreeBSD : FreeBSD -- Linux compatibility layer incorrect futex handling (793fb19c-600a-11e6-a6c3-14dae9d210b8)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
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Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
01/13/2016 🔍01/13/2016 🔍
01/13/2016 🔍
01/14/2016 🔍
01/14/2016 🔍
01/19/2016 🔍
02/21/2016 🔍
08/12/2016 🔍
02/15/2017 🔍
07/03/2022 🔍
Sources
Product: freebsd.orgAdvisory: FreeBSD-SA-16:03.linux
Researcher: Mateusz Guzik
Status: Confirmed
CVE: CVE-2016-1880 (🔍)
X-Force: 109642 - FreeBSD Linux futex robust lists information disclosure
SecurityTracker: 1034675
Vulnerability Center: 56708 - FreeBSD Local Information Disclosure in Futex Using Linux Binary Compatibility, Medium
SecurityFocus: 80700 - FreeBSD Linux Compatibility Layer CVE-2016-1880 Local Privilege Escalation Vulnerabiity
Entry
Created: 01/19/2016 10:33Updated: 07/03/2022 14:59
Changes: 01/19/2016 10:33 (72), 08/23/2018 08:19 (11), 07/03/2022 14:59 (4)
Complete: 🔍
Cache ID: 3:B16:103
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