CVE-2016-9595

katello-debug: Possible symlink attacks due to use of predictable file names

Severity Score

5.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A flaw was found in katello-debug before 3.4.0 where certain scripts and log files used insecure temporary files. A local user could exploit this flaw to conduct a symbolic-link attack, allowing them to overwrite the contents of arbitrary files.

Se ha encontrado un fallo en katello-debug en versiones anteriores a la 3.4.0, donde determinados scripts y archivos de log utilizaban archivos temporales no seguros. Un usuario local podría explotar esta vulnerabilidad para llevar a cabo un ataque de enlace simbólico que les permita sobrescribir el contenido de archivos arbitrarios.

A flaw was found in katello-debug where certain scripts and log files used insecure temporary files. A local user could exploit this flaw to conduct a symbolic-link attack, allowing them to overwrite the contents of arbitrary files.

*Credits: N/A

CVSS Scores

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

Partial

Attack Vector

Local

Attack Complexity

Medium

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2016-11-23 CVE Reserved
2018-02-20 CVE Published
2023-03-08 EPSS Updated
2024-08-06 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-59: Improper Link Resolution Before File Access ('Link Following')
CWE-377: Insecure Temporary File

CAPEC

References (4)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-9595	2023-11-07

URL	Date	SRC
https://access.redhat.com/errata/RHSA-2018:0336	2023-11-07
https://access.redhat.com/security/cve/CVE-2016-9595	2018-02-21
https://bugzilla.redhat.com/show_bug.cgi?id=1406729	2018-02-21

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Theforeman Search vendor "Theforeman"		Katello Search vendor "Theforeman" for product "Katello"				< 3.4.0 Search vendor "Theforeman" for product "Katello" and version " < 3.4.0"		-		Affected
Redhat Search vendor "Redhat"		Satellite Search vendor "Redhat" for product "Satellite"				6.3 Search vendor "Redhat" for product "Satellite" and version "6.3"		-		Affected
Redhat Search vendor "Redhat"		Satellite Capsule Search vendor "Redhat" for product "Satellite Capsule"				6.3 Search vendor "Redhat" for product "Satellite Capsule" and version "6.3"		-		Affected