Werner Baumann davfs2 1.4.6/1.4.7 File System kernel_interface.c "system" access control

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Werner Baumann davfs2 1.4.6/1.4.7. This vulnerability affects the function "system" of the file kernel_interface.c of the component File System. The manipulation leads to access control. This vulnerability was named CVE-2013-4362. Furthermore, there is an exploit available. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Detailsinfo

A vulnerability classified as critical has been found in Werner Baumann davfs2 1.4.6/1.4.7. This affects the function "system" of the file kernel_interface.c of the component File System. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

WEB-DAV Linux File System (davfs2) 1.4.6 and 1.4.7 allow local users to gain privileges via unknown attack vectors in (1) kernel_interface.c and (2) mount_davfs.c, related to the "system" function.

The weakness was shared 09/30/2013 as not defined mailinglist post (oss-sec). It is possible to read the advisory at seclists.org. This vulnerability is uniquely identified as CVE-2013-4362 since 06/12/2013. The exploitability is told to be easy. Attacking locally is a requirement. No form of authentication is needed for exploitation. Technical details and a public exploit are known. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The exploit is shared for download at packetstormsecurity.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 71545 (Fedora 18 : davfs2-1.4.7-3.fc18 (2013-17853)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (87283), Exploit-DB (28806), Tenable (71545), SecurityFocus (BID 62445†) and OSVDB (97416†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 7.6

VulDB Base Score: 8.4
VulDB Temp Score: 7.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 71545
Nessus Name: Fedora 18 : davfs2-1.4.7-3.fc18 (2013-17853)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 892765
OpenVAS Name: Debian Security Advisory DSA 2765-1 (davfs2 - privilege escalation
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/12/2013 🔍
09/15/2013 +95 days 🔍
09/30/2013 +15 days 🔍
09/30/2013 +0 days 🔍
10/02/2013 +2 days 🔍
12/20/2013 +79 days 🔍
03/24/2015 +459 days 🔍
11/29/2024 +3538 days 🔍

Sourcesinfo

Advisory: dsa-2765
Status: Not defined
Confirmation: 🔍

CVE: CVE-2013-4362 (🔍)
GCVE (CVE): GCVE-0-2013-4362
GCVE (VulDB): GCVE-100-65079

OVAL: 🔍

X-Force: 87283
SecurityFocus: 62445
OSVDB: 97416
Vulnerability Center: 41738 - WebDAV Davfs2 1.4.6-1.4.7 Local Privilege Escalation Vulnerability due to Unsecure Use of System(), Medium

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

Entryinfo

Created: 03/24/2015 03:54 PM
Updated: 11/29/2024 04:59 AM
Changes: 03/24/2015 03:54 PM (67), 05/12/2017 11:06 AM (3), 01/08/2022 07:17 AM (3), 01/08/2022 07:23 AM (1), 01/08/2022 07:29 AM (1), 06/23/2024 05:24 AM (23), 11/29/2024 04:59 AM (5)
Complete: 🔍
Cache ID: 18:232:40

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