Linux-nfs nfs-utils up to 1.2.7 information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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4.0$0-$5k0.00

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) and Tenable (75026).

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
ATT&CK: T1592

Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Entryinfo

Created: 03/24/2015 15:54
Updated: 01/31/2022 14:57
Changes: 03/24/2015 15:54 (62), 05/01/2017 11:18 (6), 01/31/2022 14:57 (3)
Complete: 🔍

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