katello-debug up to 3.3.x Temp File link following

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability was found in katello-debug up to 3.3.x. It has been classified as problematic. Affected is an unknown function of the component Temp File Handler. Performing a manipulation results in link following. This vulnerability was named CVE-2016-9595. The attack needs to be approached locally. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in katello-debug up to 3.3.x. It has been classified as problematic. This affects an unknown code block of the component Temp File Handler. The manipulation with an unknown input leads to a link following vulnerability. CWE is classifying the issue as CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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.

The bug was discovered 07/27/2018. The weakness was presented 07/27/2018 as not defined bug report (Bugzilla). The advisory is shared at bugzilla.redhat.com. This vulnerability is uniquely identified as CVE-2016-9595 since 11/22/2016. An attack has to be approached locally. The requirement for exploitation is a authentication. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 107053 (RHEL 7 : Satellite Server (RHSA-2018:0336)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Red Hat Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 236693 (Red Hat Update for Satellite 6.3 (RHSA-2018:0336)).

Upgrading to version 3.4.0 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (107053). See VDB-65919, VDB-87556, VDB-90883 and VDB-90885 for similar entries. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.2

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CNA Base Score: 7.3
CNA Vector (Red Hat, Inc.): 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Link following
CWE: CWE-59
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 107053
Nessus Name: RHEL 7 : Satellite Server (RHSA-2018:0336)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: katello-debug 3.4.0

Timelineinfo

11/22/2016 🔍
02/20/2018 +455 days 🔍
02/28/2018 +7 days 🔍
07/27/2018 +148 days 🔍
07/27/2018 +0 days 🔍
07/27/2018 +0 days 🔍
07/28/2018 +1 days 🔍
04/27/2023 +1734 days 🔍

Sourcesinfo

Advisory: RHSA-2018:0336
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-9595 (🔍)
GCVE (CVE): GCVE-0-2016-9595
GCVE (VulDB): GCVE-100-122253
See also: 🔍

Entryinfo

Created: 07/28/2018 07:13
Updated: 04/27/2023 08:55
Changes: 07/28/2018 07:13 (69), 03/10/2020 17:21 (2), 04/27/2023 08:51 (4), 04/27/2023 08:55 (12)
Complete: 🔍
Cache ID: 216:804:103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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