Linux-nfs nfs-utils up to 1.2.7 information disclosure

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.
4.0$0-$5k0.04

A vulnerability, which was classified as critical, has been found in Linux-nfs nfs-utils up to 1.2.7. Affected by this issue is some unknown functionality. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality, and integrity. CVE summarizes:

rpc-gssd in nfs-utils before 1.2.8 performs reverse DNS resolution for server names during GSSAPI authentication, which might allow remote attackers to read otherwise-restricted files via DNS spoofing attacks.

The weakness was disclosed 01/21/2014 as Bug 948072 as not defined bug report (Bugzilla). The advisory is shared for download at bugzilla.redhat.com. This vulnerability is handled as CVE-2013-1923 since 02/19/2013. The exploitation is known to be difficult. The attack can only be initiated within the local network. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

The vulnerability scanner Nessus provides a plugin with the ID 75026 (openSUSE Security Update : nfs-utils (openSUSE-SU-2013:1012-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks.

Upgrading to version 1.2.5 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (85331), Tenable (75026), SecurityFocus (BID 58854†) and Vulnerability Center (SBV-39767†).

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.2
VulDB Meta Temp Score: 4.0

VulDB Base Score: 4.2
VulDB Temp Score: 4.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Nessus ID: 75026
Nessus Name: openSUSE Security Update : nfs-utils (openSUSE-SU-2013:1012-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: nfs-utils 1.2.5

Timelineinfo

02/19/2013 🔍
04/04/2013 +44 days 🔍
05/23/2013 +49 days 🔍
05/29/2013 +6 days 🔍
01/21/2014 +237 days 🔍
01/21/2014 +0 days 🔍
06/13/2014 +143 days 🔍
03/24/2015 +284 days 🔍
01/31/2022 +2505 days 🔍

Sourcesinfo

Advisory: Bug 948072
Status: Not defined
Confirmation: 🔍

CVE: CVE-2013-1923 (🔍)
OVAL: 🔍

X-Force: 85331
SecurityFocus: 58854 - nfs-utils 'rpc.gssd' DNS Spoofing Vulnerability
Vulnerability Center: 39767 - nfs-utils \x27rpc.gssd\x27 DNS Spoofing Vulnerability, Low

Entryinfo

Created: 03/24/2015 03:54 PM
Updated: 01/31/2022 02:57 PM
Changes: 03/24/2015 03:54 PM (62), 05/01/2017 11:18 AM (6), 01/31/2022 02:57 PM (3)
Complete: 🔍
Cache ID: 18:59C:40

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you know our Splunk app?

Download it now for free!