CVE-2019-8956
Linux Kernel SCTP Use-After-Free Vulnerability
Description
In the Linux Kernel before versions 4.20.8 and 4.19.21 a use-after-free error in the "sctp_sendmsg()" function (net/sctp/socket.c) when handling SCTP_SENDALL flag can be exploited to corrupt memory.
INFO
Published Date :
April 1, 2019, 7:29 p.m.
Last Modified :
Nov. 21, 2024, 4:50 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.8
Public PoC/Exploit Available at Github
CVE-2019-8956 has a 9 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-2019-8956.
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).
linux kernel vulnerabilities root cause analysis
C
None
None
Linux kernel CVE exploit analysis report and relative debug environment. You don't need to compile Linux kernel and configure your environment anymore.
C Shell Makefile Meson
None
None
Shell C
Anything about kernel security. CTF kernel pwn, kernel exploit, kernel fuzz and kernel defense paper, kernel debugging technique, kernel CVE debug.
C Shell Makefile
sctp-PoC
C
CVEs that without a poc I work for that
C Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2019-8956 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-8956 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.
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CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.21 Added Reference https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.8 Added Reference https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/?id=ba59fb0273076637f0add4311faa990a5eec27c0 Added Reference https://secuniaresearch.flexerasoftware.com/secunia_research/2019-5/ Added Reference https://support.f5.com/csp/article/K12671141 Added Reference https://usn.ubuntu.com/3930-1/ Added Reference https://usn.ubuntu.com/3930-2/ -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Reanalysis by [email protected]
Feb. 24, 2023
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 4.19.21 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.19.22 up to (excluding) 4.20.8 OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.17 up to (excluding) 4.19.21 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 up to (excluding) 4.20.8 -
Modified Analysis by [email protected]
Apr. 05, 2022
Action Type Old Value New Value Removed CVSS V3 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://secuniaresearch.flexerasoftware.com/secunia_research/2019-5/ Exploit, Third Party Advisory https://secuniaresearch.flexerasoftware.com/secunia_research/2019-5/ Broken Link Changed Reference Type https://support.f5.com/csp/article/K12671141 No Types Assigned https://support.f5.com/csp/article/K12671141 Third Party Advisory -
CWE Remap by [email protected]
Jul. 21, 2021
Action Type Old Value New Value Changed CWE CWE-416 CWE-416 CWE-787 -
CVE Modified by [email protected]
Jun. 15, 2019
Action Type Old Value New Value Added Reference https://support.f5.com/csp/article/K12671141 [No Types Assigned] -
Initial Analysis by [email protected]
Apr. 04, 2019
Action Type Old Value New Value Added CVSS V2 (AV:L/AC:L/Au:N/C:C/I:C/A:C) Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/?id=ba59fb0273076637f0add4311faa990a5eec27c0 No Types Assigned https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/?id=ba59fb0273076637f0add4311faa990a5eec27c0 Mailing List, Patch, Vendor Advisory Changed Reference Type https://usn.ubuntu.com/3930-1/ No Types Assigned https://usn.ubuntu.com/3930-1/ Third Party Advisory Changed Reference Type https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.21 No Types Assigned https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.21 Release Notes, Vendor Advisory Changed Reference Type https://usn.ubuntu.com/3930-2/ No Types Assigned https://usn.ubuntu.com/3930-2/ Third Party Advisory Changed Reference Type https://secuniaresearch.flexerasoftware.com/secunia_research/2019-5/ No Types Assigned https://secuniaresearch.flexerasoftware.com/secunia_research/2019-5/ Exploit, Third Party Advisory Changed Reference Type https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.8 No Types Assigned https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.8 Release Notes, Vendor Advisory Added CWE CWE-416 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 4.19.21 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.19.22 up to (excluding) 4.20.8 Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Apr. 03, 2019
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/3930-2/ [No Types Assigned] Added Reference https://usn.ubuntu.com/3930-1/ [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-2019-8956 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-2019-8956
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
1.16 }} 0.53%
score
0.77574
percentile