ecryptfs-utils suid Helper input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability was found in ecryptfs-utils. It has been rated as critical. Affected is an unknown function of the component suid Helper. This manipulation causes input validation. This vulnerability appears as CVE-2012-3409. The attack requires local access. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in ecryptfs-utils (version unknown). It has been declared as critical. Affected by this vulnerability is an unknown function of the component suid Helper. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

ecryptfs-utils: suid helper does not restrict mounting filesystems with nosuid,nodev which creates a possible privilege escalation

The bug was discovered 07/14/2012. The weakness was presented 12/20/2019 (Website). The advisory is shared at access.redhat.com. This vulnerability is known as CVE-2012-3409 since 06/14/2012. An attack has to be approached locally. The successful exploitation requires a single authentication. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 10 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 61420 (Fedora 16 : ecryptfs-utils-99-1.fc16 (2012-11049)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l.

Upgrading 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 databases at Tenable (61420), SecurityFocus (BID 54634†) and OSVDB (84131†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 61420
Nessus Name: Fedora 16 : ecryptfs-utils-99-1.fc16 (2012-11049)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 864598
OpenVAS Name: Fedora Update for ecryptfs-utils FEDORA-2012-11069
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/14/2012 🔍
07/14/2012 +30 days 🔍
07/24/2012 +10 days 🔍
08/06/2012 +13 days 🔍
12/20/2019 +2692 days 🔍
12/20/2019 +0 days 🔍
12/20/2019 +0 days 🔍

Sourcesinfo

Advisory: access.redhat.com
Status: Not defined

CVE: CVE-2012-3409 (🔍)
GCVE (CVE): GCVE-0-2012-3409
GCVE (VulDB): GCVE-100-147553
SecurityFocus: 54634
OSVDB: 84131

Entryinfo

Created: 12/20/2019 18:48
Updated: 12/20/2019 18:53
Changes: 12/20/2019 18:48 (41), 12/20/2019 18:53 (28)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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