CVE-2019-5606
FreeBSD Posix_openpt Write After Free
Description
In FreeBSD 12.0-STABLE before r349805, 12.0-RELEASE before 12.0-RELEASE-p8, 11.3-STABLE before r349806, 11.3-RELEASE before 11.3-RELEASE-p1, and 11.2-RELEASE before 11.2-RELEASE-p12, code which handles close of a descriptor created by posix_openpt fails to undo a signal configuration. This causes an incorrect signal to be raised leading to a write after free of kernel memory allowing a malicious user to gain root privileges or escape a jail.
INFO
Published Date :
July 26, 2019, 1:15 a.m.
Last Modified :
Feb. 1, 2023, 2:12 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.8
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-2019-5606.
| URL | Resource |
|---|---|
| http://packetstormsecurity.com/files/153748/FreeBSD-Security-Advisory-FreeBSD-SA-19-13.pts.html | Third Party Advisory VDB Entry |
| https://security.FreeBSD.org/advisories/FreeBSD-SA-19:13.pts.asc | Vendor Advisory |
| https://security.netapp.com/advisory/ntap-20190814-0003/ | Third Party Advisory |
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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2019-5606 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-5606 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 -
Modified Analysis by [email protected]
Feb. 01, 2023
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://security.netapp.com/advisory/ntap-20190814-0003/ No Types Assigned https://security.netapp.com/advisory/ntap-20190814-0003/ Third Party Advisory -
CVE Modified by [email protected]
Aug. 14, 2019
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20190814-0003/ [No Types Assigned] -
Initial Analysis by [email protected]
Aug. 07, 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 http://packetstormsecurity.com/files/153748/FreeBSD-Security-Advisory-FreeBSD-SA-19-13.pts.html No Types Assigned http://packetstormsecurity.com/files/153748/FreeBSD-Security-Advisory-FreeBSD-SA-19-13.pts.html Third Party Advisory, VDB Entry Changed Reference Type https://security.FreeBSD.org/advisories/FreeBSD-SA-19:13.pts.asc No Types Assigned https://security.FreeBSD.org/advisories/FreeBSD-SA-19:13.pts.asc Vendor Advisory Added CWE CWE-416 Added CPE Configuration OR *cpe:2.3:o:freebsd:freebsd:11.0:-:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.2:-:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.3:-:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:12.0:-:*:*:*:*:*:* -
CVE Modified by [email protected]
Jul. 27, 2019
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/153748/FreeBSD-Security-Advisory-FreeBSD-SA-19-13.pts.html [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-2019-5606 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-2019-5606
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.06 }} 0.02%
score
0.27339
percentile