Linux-nfs nfs-utils 1.2.0/1.2.1/1.2.2/1.2.3 nfs_addmntent input validation

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.9$0-$5k0.00

Summaryinfo

A vulnerability has been found in Linux-nfs nfs-utils 1.2.0/1.2.1/1.2.2/1.2.3 and classified as problematic. Affected by this vulnerability is the function nfs_addmntent. The manipulation leads to input validation. This vulnerability is known as CVE-2011-1749. There is no exploit available. It is recommended to upgrade the affected component. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Linux-nfs nfs-utils 1.2.0/1.2.1/1.2.2/1.2.3. Affected is the function nfs_addmntent. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as 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. This is going to have an impact on integrity, and availability. CVE summarizes:

The nfs_addmntent function in support/nfs/nfs_mntent.c in the mount.nsf tool in nfs-utils before 1.2.4 attempts to append to the /etc/mtab file without first checking whether resource limits would interfere, which allows local users to corrupt this file via a process with a small RLIMIT_FSIZE value, a related issue to CVE-2011-1089.

The weakness was published 02/26/2014 (Website). The advisory is available at sourceforge.net. This vulnerability is traded as CVE-2011-1749. Local access is required to approach this attack. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 68481 (Oracle Linux 5 : nfs-utils (ELSA-2012-0310)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 119811 (Red Hat Update for nfs-utils (RHSA-2011:1534)).

Upgrading to version 1.2.1 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (66996), Tenable (68481), SecurityFocus (BID 47532†) and Vulnerability Center (SBV-32545†). Similar entry is available at VDB-66404. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 4.9

VulDB Base Score: 5.1
VulDB Temp Score: 4.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

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

NVD Base Score: 🔍

Exploitinginfo

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

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Nessus ID: 68481
Nessus Name: Oracle Linux 5 : nfs-utils (ELSA-2012-0310)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 831505
OpenVAS Name: Mandriva Update for nfs-utils MDVSA-2011:186 (nfs-utils)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: nfs-utils 1.2.1

Timelineinfo

04/19/2011 🔍
04/19/2011 +0 days 🔍
08/03/2011 +106 days 🔍
07/12/2013 +709 days 🔍
02/26/2014 +229 days 🔍
02/26/2014 +0 days 🔍
03/24/2015 +391 days 🔍
04/12/2025 +3672 days 🔍

Sourcesinfo

Advisory: RHSA-2012:0310
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-1749 (🔍)
GCVE (CVE): GCVE-0-2011-1749
GCVE (VulDB): GCVE-100-66450

OVAL: 🔍

X-Force: 66996
SecurityFocus: 47532
Vulnerability Center: 32545 - Linux NFS Project NFS-Utils 1.2.3 Local Denial of Service Vulnerability, Low

See also: 🔍

Entryinfo

Created: 03/24/2015 03:54 PM
Updated: 04/12/2025 03:41 PM
Changes: 03/24/2015 03:54 PM (62), 03/29/2017 10:59 AM (7), 02/01/2022 10:53 PM (5), 02/01/2022 11:07 PM (2), 04/12/2025 03:41 PM (17)
Complete: 🔍
Cache ID: 18:2B8:40

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!