Webmin 1.720 Read Mail File link following

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Webmin 1.720. Impacted is an unknown function of the component Read Mail Module. The manipulation leads to link following (File). This vulnerability is listed as CVE-2015-1377. The attack must be carried out locally. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Webmin 1.720 (Software Management Software). It has been rated as critical. This issue affects some unknown processing of the component Read Mail Module. The manipulation with an unknown input leads to a link following vulnerability (File). Using CWE to declare the problem leads to 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. Impacted is confidentiality. The summary by CVE is:

The Read Mail module in Webmin 1.720 allows local users to read arbitrary files via a symlink attack on an unspecified file.

The weakness was presented 02/11/2015 by Patrick William with Rack911 as Read Mail module vulerable to malicious links as confirmed security alert (Website). The advisory is shared at webmin.com. The security alert contains:

If un-trusted users have both SSH access and the ability to use Webmin's Read Mail module (as is the case for Virtualmin domain owners), a malicious link could be created to allow reading any file on the system - even those owned by root.
The identification of this vulnerability is CVE-2015-1377 since 01/27/2015. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 108556 (Webmin 1.720 Read Mail Symlink Vulnerability), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 87364 (Webmin Local Arbitrary File Read Vulnerability).

Upgrading to version 1.730 eliminates this vulnerability. The upgrade is hosted for download at webmin.com. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (108556), Secunia (SA62157†) and SecurityTracker (ID 1031734†). See VDB-2338, VDB-2350, VDB-12637 and VDB-13382 for similar entries. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 108556
Nessus Name: Webmin 1.720 Read Mail Symlink Vulnerability
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 100891
OpenVAS Name: Webmin Read Mail Module Information Disclosure Vulnerability (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Webmin 1.730

Timelineinfo

01/01/2015 🔍
01/20/2015 +19 days 🔍
01/27/2015 +7 days 🔍
02/10/2015 +14 days 🔍
02/11/2015 +1 days 🔍
02/11/2015 +0 days 🔍
02/13/2015 +2 days 🔍
03/22/2018 +1133 days 🔍
03/09/2019 +352 days 🔍

Sourcesinfo

Advisory: Read Mail module vulerable to malicious links
Researcher: Patrick William
Organization: Rack911
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-1377 (🔍)
GCVE (CVE): GCVE-0-2015-1377
GCVE (VulDB): GCVE-100-69173
Secunia: 62157 - Usermin User Mailbox Operations Arbitrary File Disclosure Vulnerability, Not Critical
SecurityTracker: 1031734

See also: 🔍

Entryinfo

Created: 02/13/2015 14:33
Updated: 03/09/2019 08:52
Changes: 02/13/2015 14:33 (62), 03/09/2019 08:52 (18)
Complete: 🔍
Cache ID: 216::103

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