KDE Frameworks up to 5.22 kinit /tmp/xauth-xxx-_y 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.
8.2$0-$5k0.00

Summaryinfo

A vulnerability was found in KDE Frameworks up to 5.22. It has been classified as problematic. This vulnerability affects unknown code of the file /tmp/xauth-xxx-_y of the component kinit. The manipulation leads to information disclosure. This vulnerability is listed as CVE-2016-3100. The attack must be carried out locally. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in KDE Frameworks up to 5.22 and classified as critical. This issue affects an unknown code block of the file /tmp/xauth-xxx-_y of the component kinit. 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, integrity, and availability. The summary by CVE is:

kinit in KDE Frameworks before 5.23.0 uses weak permissions (644) for /tmp/xauth-xxx-_y, which allows local users to obtain X11 cookies of other users and consequently capture keystrokes and possibly gain privileges by reading the file.

The weakness was presented 07/13/2016 (Website). The advisory is shared at kde.org. The identification of this vulnerability is CVE-2016-3100 since 03/10/2016. The exploitation is known to be easy. An attack has to be approached locally. The requirement for exploitation is a simple authentication. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 91941 (openSUSE Security Update : kinit (openSUSE-2016-821)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 168952 (OpenSuSE Security Update for kinit (openSUSE-SU-2016:1723-1)).

Upgrading to version 5.23.0 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 (91941) and SecurityFocus (BID 91769†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 8.2

VulDB Base Score: 8.4
VulDB Temp Score: 8.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.4
NVD Vector: 🔍

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: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 91941
Nessus Name: openSUSE Security Update : kinit (openSUSE-2016-821)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: KDE Frameworks 5.23.0
Patch: 72f3702dbe6cf15c06dc13da2c99c864e9022a58

Timelineinfo

03/10/2016 🔍
07/01/2016 +113 days 🔍
07/05/2016 +4 days 🔍
07/13/2016 +8 days 🔍
07/13/2016 +0 days 🔍
07/13/2016 +0 days 🔍
07/14/2016 +1 days 🔍
10/09/2024 +3009 days 🔍

Sourcesinfo

Advisory: kde.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-3100 (🔍)
GCVE (CVE): GCVE-0-2016-3100
GCVE (VulDB): GCVE-100-89213
SecurityFocus: 91769 - KDE Frameworks CVE-2016-3100 Weak Permissions Local Privilege Escalation Vulnerability

Entryinfo

Created: 07/14/2016 10:46
Updated: 10/09/2024 04:53
Changes: 07/14/2016 10:46 (56), 02/24/2019 10:18 (14), 09/02/2022 16:15 (4), 10/09/2024 04:53 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you want to use VulDB in your project?

Use the official API to access entries easily!