4.7
MEDIUM
CVE-2017-9079
Dropbear Privilege Escalation Vulnerability
Description

Dropbear before 2017.75 might allow local users to read certain files as root, if the file has the authorized_keys file format with a command= option. This occurs because ~/.ssh/authorized_keys is read with root privileges and symlinks are followed.

INFO

Published Date :

May 19, 2017, 2:29 p.m.

Last Modified :

Nov. 21, 2024, 3:35 a.m.

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

1.0
Affected Products

The following products are affected by CVE-2017-9079 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Debian debian_linux
1 Dropbear_ssh_project dropbear_ssh
1 Matt_johnston dropbear_ssh_server
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-2017-9079.

URL Resource
http://lists.ucc.gu.uwa.edu.au/pipermail/dropbear/2017q2/001985.html Mailing List Patch Third Party Advisory
http://www.debian.org/security/2017/dsa-3859 Third Party Advisory
https://security.netapp.com/advisory/ntap-20191004-0006/
http://lists.ucc.gu.uwa.edu.au/pipermail/dropbear/2017q2/001985.html Mailing List Patch Third Party Advisory
http://www.debian.org/security/2017/dsa-3859 Third Party Advisory
https://security.netapp.com/advisory/ntap-20191004-0006/

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-2017-9079 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2017-9079 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 af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://lists.ucc.gu.uwa.edu.au/pipermail/dropbear/2017q2/001985.html
    Added Reference http://www.debian.org/security/2017/dsa-3859
    Added Reference https://security.netapp.com/advisory/ntap-20191004-0006/
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Oct. 04, 2019

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20191004-0006/ [No Types Assigned]
  • CWE Remap by [email protected]

    Oct. 03, 2019

    Action Type Old Value New Value
    Changed CWE CWE-264 CWE-732
  • Modified Analysis by [email protected]

    Mar. 19, 2019

    Action Type Old Value New Value
    Changed Reference Type http://www.debian.org/security/2017/dsa-3859 No Types Assigned http://www.debian.org/security/2017/dsa-3859 Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:a:dropbear_ssh_project:dropbear_ssh:*:*:*:*:*:*:*:* versions up to (including) 2016.74 OR *cpe:2.3:a:dropbear_ssh_project:dropbear_ssh:*:*:*:*:*:*:*:* versions up to (excluding) 2017.75
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Nov. 04, 2017

    Action Type Old Value New Value
    Added Reference http://www.debian.org/security/2017/dsa-3859 [No Types Assigned]
  • Initial Analysis by [email protected]

    May. 24, 2017

    Action Type Old Value New Value
    Added CVSS V2 (AV:L/AC:M/Au:N/C:C/I:N/A:N)
    Added CVSS V3 AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type http://lists.ucc.gu.uwa.edu.au/pipermail/dropbear/2017q2/001985.html No Types Assigned http://lists.ucc.gu.uwa.edu.au/pipermail/dropbear/2017q2/001985.html Mailing List, Patch, Third Party Advisory
    Added CWE CWE-264
    Added CPE Configuration OR *cpe:2.3:a:dropbear_ssh_project:dropbear_ssh:2016.74:*:*:*:*:*:*:* (and previous)
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.04 }} 0.00%

score

0.05635

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability