SuSE openSUSE 13.1 aaa_base Image Creation Configuration /etc/shadow Password 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.
3.0$0-$5k0.00

Summaryinfo

A vulnerability has been found in SuSE openSUSE 13.1 and classified as problematic. Affected by this vulnerability is an unknown functionality of the file /etc/shadow of the component aaa_base Image Creation Configuration. This manipulation causes information disclosure (Password). This vulnerability is handled as CVE-2013-3713. Additionally, an exploit exists. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability has been found in SuSE openSUSE 13.1 and classified as problematic. Affected by this vulnerability is an unknown part of the file /etc/shadow of the component aaa_base Image Creation Configuration. The manipulation with an unknown input leads to a information disclosure vulnerability (Password). The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

The image creation configuration in aaa_base before 16.26.1 for openSUSE 13.1 KDE adds the root user to the "users" group when installing from a live image, which allows local users to obtain sensitive information and possibly have other unspecified impacts, as demonstrated by reading /etc/shadow.

The weakness was released 12/25/2013 as openSUSE-SU-2013:1955-1 as confirmed posting (Mailing List). The advisory is shared at lists.opensuse.org. This vulnerability is known as CVE-2013-3713 since 05/30/2013. An attack has to be approached locally. A single authentication is necessary for exploitation. Technical details and also a public exploit are known. MITRE ATT&CK project uses the attack technique T1592 for this issue. The advisory points out:

On systems installed via the Live Media that /etc/shadow file was readable by the "users" group, which was not intended. (bnc#843230, CVE-2013-3713)

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 74875 (openSUSE Security Update : aaa_base (openSUSE-SU-2013:1955-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks.

Applying the patch openSUSE-2013-1031 is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability. The posting contains the following remark:

zypper in -t patch openSUSE-2013-1031

The vulnerability is also documented in the databases at X-Force (90428), Tenable (74875), SecurityFocus (BID 64786†), OSVDB (102248†) and Vulnerability Center (SBV-45075†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 3.0

VulDB Base Score: 3.3
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: No

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 74875
Nessus Name: openSUSE Security Update : aaa_base (openSUSE-SU-2013:1955-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: openSUSE-2013-1031

Timelineinfo

05/30/2013 🔍
12/25/2013 +209 days 🔍
12/25/2013 +0 days 🔍
01/09/2014 +15 days 🔍
01/10/2014 +1 days 🔍
01/11/2014 +1 days 🔍
01/21/2014 +10 days 🔍
06/13/2014 +143 days 🔍
06/19/2014 +6 days 🔍
06/08/2021 +2546 days 🔍

Sourcesinfo

Vendor: suse.com

Advisory: openSUSE-SU-2013:1955-1
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2013-3713 (🔍)
GCVE (CVE): GCVE-0-2013-3713
GCVE (VulDB): GCVE-100-12001
X-Force: 90428
SecurityFocus: 64786 - openSUSE 'aaa_base' Package Local Information Disclosure Vulnerability
OSVDB: 102248
Vulnerability Center: 45075 - OpenSUSE 13.1 KDE Local Information Disclosure or Other Impact due to a Flaw in Image Creation, Medium

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

Entryinfo

Created: 01/21/2014 09:35
Updated: 06/08/2021 13:44
Changes: 01/21/2014 09:35 (73), 05/31/2017 08:55 (3), 06/08/2021 13:44 (3)
Complete: 🔍
Cache ID: 216:88A:103

Discussion

No comments yet. Languages: en.

Please log in to comment.

Want to know what is going to be exploited?

We predict KEV entries!