CVE-2017-9525
Debian/Ubuntu Cron Symlink Privilege Escalation
Description
In the cron package through 3.0pl1-128 on Debian, and through 3.0pl1-128ubuntu2 on Ubuntu, the postinst maintainer script allows for group-crontab-to-root privilege escalation via symlink attacks against unsafe usage of the chown and chmod programs.
INFO
Published Date :
June 9, 2017, 4:29 p.m.
Last Modified :
Dec. 16, 2021, 6:44 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
0.8
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-2017-9525.
| URL | Resource |
|---|---|
| http://bugs.debian.org/864466 | Issue Tracking Third Party Advisory Vendor Advisory |
| http://www.openwall.com/lists/oss-security/2017/06/08/3 | Mailing List Third Party Advisory |
| http://www.securitytracker.com/id/1038651 | Third Party Advisory VDB Entry |
| https://lists.debian.org/debian-lts-announce/2019/03/msg00025.html | Mailing List Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2021/10/msg00029.html | Mailing List 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-2017-9525 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2017-9525 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]
Dec. 16, 2021
Action Type Old Value New Value Removed CVSS V2 Metadata Obtain Admin/Root Access Removed CVSS V3 NIST AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H Added CVSS V3.1 NIST AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://lists.debian.org/debian-lts-announce/2019/03/msg00025.html No Types Assigned https://lists.debian.org/debian-lts-announce/2019/03/msg00025.html Mailing List, Third Party Advisory Changed Reference Type https://lists.debian.org/debian-lts-announce/2021/10/msg00029.html No Types Assigned https://lists.debian.org/debian-lts-announce/2021/10/msg00029.html Mailing List, Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Nov. 17, 2021
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2021/10/msg00029.html [No Types Assigned] -
CVE Modified by [email protected]
Nov. 10, 2021
Action Type Old Value New Value Removed Reference https://lists.debian.org/debian-lts-announce/2021/10/msg00029.html [No Types Assigned] -
CVE Modified by [email protected]
Oct. 30, 2021
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2021/10/msg00029.html [No Types Assigned] -
CVE Modified by [email protected]
Mar. 21, 2019
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2019/03/msg00025.html [No Types Assigned] -
Modified Analysis by [email protected]
Jul. 26, 2017
Action Type Old Value New Value Changed CVSS V2 (AV:N/AC:L/Au:N/C:C/I:C/A:C) (AV:L/AC:M/Au:N/C:C/I:C/A:C) Changed CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H Changed Reference Type http://www.securitytracker.com/id/1038651 No Types Assigned http://www.securitytracker.com/id/1038651 Third Party Advisory, VDB Entry -
CVE Modified by [email protected]
Jul. 08, 2017
Action Type Old Value New Value Added Reference http://www.securitytracker.com/id/1038651 [No Types Assigned] -
Initial Analysis by [email protected]
Jun. 22, 2017
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:L/Au:N/C:C/I:C/A:C) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type http://www.openwall.com/lists/oss-security/2017/06/08/3 No Types Assigned http://www.openwall.com/lists/oss-security/2017/06/08/3 Mailing List, Third Party Advisory Changed Reference Type http://bugs.debian.org/864466 No Types Assigned http://bugs.debian.org/864466 Issue Tracking, Third Party Advisory, Vendor Advisory Added CWE CWE-59 Added CPE Configuration AND OR *cpe:2.3:a:cron_project:cron:3.0pl1-128.:*:*:*:*:*:*:* (and previous) OR cpe:2.3:o:canonical:ubuntu_linux:*:*:*:*:*:*:*:* cpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2017-9525 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-2017-9525
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.06 }} 0.00%
score
0.24592
percentile