Sophos Web Protection Appliance up to 3.7.9 Privileges clear_keys.pl close_connections second os command injection

CVSS Meta Temp Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Sophos Web Protection Appliance up to 3.7.9. Affected by this issue is the function close_connections of the file opt/cma/bin/clear_keys.pl of the component Privileges. The manipulation of the argument second results in os command injection. This vulnerability is identified as CVE-2013-4984. Additionally, an exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Sophos Web Protection Appliance up to 3.7.9. It has been classified as critical. Affected is the function close_connections of the file opt/cma/bin/clear_keys.pl of the component Privileges. The manipulation of the argument second with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The close_connections function in /opt/cma/bin/clear_keys.pl in Sophos Web Appliance before 3.7.9.1 and 3.8 before 3.8.1.1 allows local users to gain privileges via shell metacharacters in the second argument.

The weakness was released 09/06/2013 by Francisco Falcon with Core as Privilege escalation through local OS command injection vulnerability as confirmed advisory (Website). The advisory is shared for download at coresecurity.com. The public release was coordinated with the vendor. This vulnerability is traded as CVE-2013-4984 since 07/29/2013. The attack needs to be approached locally. The requirement for exploitation is a authentication. Technical details and a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1202.

A public exploit has been developed by Core Security and been published immediately after the advisory. The exploit is shared for download at exploit-db.com. It is declared as highly functional. The vulnerability scanner Nessus provides a plugin with the ID 70142 (Sophos Web Protection Appliance Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses.

Upgrading to version 3.7.9.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (28175), Tenable (70142), OSVDB (97028†) and Vulnerability Center (SBV-41396†). Entry connected to this vulnerability is available at VDB-10177. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Highly functional
Author: Core Security
Download: 🔍

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Nessus ID: 70142
Nessus Name: Sophos Web Protection Appliance Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

MetaSploit ID: sophos_wpa_clear_keys.rb
MetaSploit Name: Sophos Web Protection Appliance clear_keys.pl Local Privilege Escalation
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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0-Day Time: 🔍
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Exploit Delay Time: 🔍

Upgrade: Web Protection Appliance 3.7.9.1

Timelineinfo

07/29/2013 🔍
09/06/2013 +39 days 🔍
09/06/2013 +0 days 🔍
09/06/2013 +0 days 🔍
09/09/2013 +3 days 🔍
09/09/2013 +0 days 🔍
09/10/2013 +1 days 🔍
09/10/2013 +0 days 🔍
09/10/2013 +0 days 🔍
06/30/2024 +3946 days 🔍

Sourcesinfo

Vendor: sophos.com

Advisory: Privilege escalation through local OS command injection vulnerability
Researcher: Francisco Falcon
Organization: Core
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-4984 (🔍)
GCVE (CVE): GCVE-0-2013-4984
GCVE (VulDB): GCVE-100-10176
OSVDB: 97028
Vulnerability Center: 41396 - Sophos Web Appliance Before 3.7.9.1 and 3.8 Through 3.8.1 Remote Privilege Escalation via Code Execution With a Users Privileges, Critical

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 09/10/2013 10:48
Updated: 06/30/2024 20:48
Changes: 09/10/2013 10:48 (79), 05/10/2017 15:14 (2), 05/24/2021 08:57 (3), 06/30/2024 20:48 (14)
Complete: 🔍
Committer: olku
Cache ID: 216::103

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