CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.1 | $0-$5k | 0.00 |
A vulnerability was found in Linux Kernel (Operating System) (the affected version is unknown). It has been classified as critical. Affected is the function compat_sys_recvmmsg
. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
The compat_sys_recvmmsg function in net/compat.c in the Linux kernel before 3.13.2, when CONFIG_X86_X32 is enabled, allows local users to gain privileges via a recvmmsg system call with a crafted timeout pointer parameter.
The bug was discovered 01/31/2014. The weakness was released 01/31/2014 with grsecurity (Website). The advisory is available at securityfocus.com. This vulnerability is traded as CVE-2014-0038 since 12/03/2013. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known.
A public exploit has been developed in ANSI C. The exploit is shared for download at securityfocus.com. It is declared as highly functional. The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 72591 (Slackware 14.1 : kernel (SSA:2014-050-03)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Slackware Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 166761 (OpenSuSE Security Update for Kernel (openSUSE-SU-2014:0204-1)).
Upgrading eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at Tenable (72591) and Exploit-DB (31346). Further details are available at code.google.com. Entries connected to this vulnerability are available at 7901 and 12137.
Product
Type
Vendor
Name
License
CPE 2.3
CPE 2.2
Video
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.6VulDB Meta Temp Score: 5.1
VulDB Base Score: 5.6
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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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: Input validationCWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Highly functional
Programming Language: 🔍
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Nessus ID: 72591
Nessus Name: Slackware 14.1 : kernel (SSA:2014-050-03)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍
OpenVAS ID: 850566
OpenVAS Name: SuSE Update for kernel openSUSE-SU-2014:0204-1 (kernel)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
MetaSploit ID: recvmmsg_priv_esc.rb
MetaSploit Name: Linux Kernel recvmmsg Privilege Escalation
MetaSploit File: 🔍
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
12/03/2013 🔍01/28/2014 🔍
01/31/2014 🔍
01/31/2014 🔍
01/31/2014 🔍
01/31/2014 🔍
02/06/2014 🔍
02/20/2014 🔍
02/20/2014 🔍
04/03/2014 🔍
07/29/2019 🔍
Sources
Vendor: kernel.orgAdvisory: securityfocus.com⛔
Organization: grsecurity
Status: Not defined
Confirmation: 🔍
CVE: CVE-2014-0038 (🔍)
OVAL: 🔍
Vulnerability Center: 43114 - Linux Kernel <3.13.2 Local Privilege Escalation Vulnerability when CONFIG_X86_X32 is Enabled, Medium
SecurityFocus: 65255 - Linux Kernel 'compat_sys_recvmmsg()' Function Local Memory Corruption Vulnerability
Secunia: 56669
scip Labs: https://www.scip.ch/en/?labs.20161013
Misc.: 🔍
See also: 🔍
Entry
Created: 04/03/2014 11:40Updated: 07/29/2019 20:40
Changes: 04/03/2014 11:40 (79), 07/29/2019 20:40 (13)
Complete: 🔍
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