CVE-2018-12232
Linux Sock File Descriptor Race Condition Buffer Overflow Vulnerability
Description
In net/socket.c in the Linux kernel through 4.17.1, there is a race condition between fchownat and close in cases where they target the same socket file descriptor, related to the sock_close and sockfs_setattr functions. fchownat does not increment the file descriptor reference count, which allows close to set the socket to NULL during fchownat's execution, leading to a NULL pointer dereference and system crash.
INFO
Published Date :
June 12, 2018, 12:29 p.m.
Last Modified :
Oct. 31, 2018, 10:30 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
2.2
Public PoC/Exploit Available at Github
CVE-2018-12232 has a 2 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2018-12232.
| URL | Resource |
|---|---|
| http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6d8c50dcb029872b298eea68cc6209c866fd3e14 | Patch Third Party Advisory |
| http://www.securityfocus.com/bid/104453 | Third Party Advisory VDB Entry |
| https://access.redhat.com/errata/RHSA-2018:2948 | |
| https://github.com/torvalds/linux/commit/6d8c50dcb029872b298eea68cc6209c866fd3e14 | Patch Third Party Advisory |
| https://lkml.org/lkml/2018/6/5/14 | Third Party Advisory |
| https://patchwork.ozlabs.org/patch/926519/ | Patch Third Party Advisory |
| https://usn.ubuntu.com/3752-1/ | |
| https://usn.ubuntu.com/3752-2/ | |
| https://usn.ubuntu.com/3752-3/ |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
Makefile Go Ragel Yacc
memos of experiments, examinations, source reading, ... etc
Mermaid
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2018-12232 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-12232 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Oct. 31, 2018
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2018:2948 [No Types Assigned] -
CVE Modified by [email protected]
Aug. 29, 2018
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/3752-3/ [No Types Assigned] -
CVE Modified by [email protected]
Aug. 24, 2018
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/3752-2/ [No Types Assigned] Added Reference https://usn.ubuntu.com/3752-1/ [No Types Assigned] -
Initial Analysis by [email protected]
Aug. 06, 2018
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:M/Au:N/C:N/I:N/A:C) Added CVSS V3 AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6d8c50dcb029872b298eea68cc6209c866fd3e14 No Types Assigned http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6d8c50dcb029872b298eea68cc6209c866fd3e14 Patch, Third Party Advisory Changed Reference Type http://www.securityfocus.com/bid/104453 No Types Assigned http://www.securityfocus.com/bid/104453 Third Party Advisory, VDB Entry Changed Reference Type https://lkml.org/lkml/2018/6/5/14 No Types Assigned https://lkml.org/lkml/2018/6/5/14 Third Party Advisory Changed Reference Type https://github.com/torvalds/linux/commit/6d8c50dcb029872b298eea68cc6209c866fd3e14 No Types Assigned https://github.com/torvalds/linux/commit/6d8c50dcb029872b298eea68cc6209c866fd3e14 Patch, Third Party Advisory Changed Reference Type https://patchwork.ozlabs.org/patch/926519/ No Types Assigned https://patchwork.ozlabs.org/patch/926519/ Patch, Third Party Advisory Added CWE CWE-362 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (including) 4.17.1 -
CVE Modified by [email protected]
Jun. 15, 2018
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/104453 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-12232 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2018-12232
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.59 }} -0.01%
score
0.78308
percentile