spice-gtk up to 0.34 spice-client Messages 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.
8.2	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in spice-gtk up to 0.34. Affected by this issue is some unknown functionality of the component spice-client. This manipulation as part of Messages causes input validation. This vulnerability is tracked as CVE-2017-12194. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in spice-gtk up to 0.34. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component spice-client. The manipulation as part of a Messages leads to a input validation vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A flaw was found in the way spice-client processed certain messages sent from the server. An attacker, having control of malicious spice-server, could use this flaw to crash the client or execute arbitrary code with permissions of the user running the client. spice-gtk versions through 0.34 are believed to be vulnerable.

The bug was discovered 03/19/2018. The weakness was disclosed 03/14/2018 as Bug 1501200 as not defined bug report (Bugzilla). The advisory is shared at bugzilla.redhat.com. This vulnerability is known as CVE-2017-12194 since 08/01/2017. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 108874 (SUSE SLED12 / SLES12 Security Update : spice-gtk (SUSE-SU-2018:0877-1)), 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 197147 (Ubuntu Security Notification for Spice, Spice-protocol Vulnerability (USN-3659-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 4 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (108874) and SecurityFocus (BID 103413†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

• spice-gtk

Version

• 0.1
• 0.2
• 0.3
• 0.4
• 0.5
• 0.6
• 0.7
• 0.8
• 0.9
• 0.10
• 0.11
• 0.12
• 0.13
• 0.14
• 0.15
• 0.16
• 0.17
• 0.18
• 0.19
• 0.20
• 0.21
• 0.22
• 0.23
• 0.24
• 0.25
• 0.26
• 0.27
• 0.28
• 0.29
• 0.30
• 0.31
• 0.32
• 0.33
• 0.34

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 108874
Nessus Name: SUSE SLED12 / SLES12 Security Update : spice-gtk (SUSE-SU-2018:0877-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

08/01/2017 🔍
03/14/2018 +225 days 🔍
03/14/2018 +0 days 🔍
03/14/2018 +0 days 🔍
03/15/2018 +1 days 🔍
03/19/2018 +4 days 🔍
04/05/2018 +17 days 🔍
04/06/2018 +1 days 🔍
01/13/2020 +647 days 🔍

Sourcesinfo

Advisory: Bug 1501200
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-12194 (🔍)
GCVE (CVE): GCVE-0-2017-12194
GCVE (VulDB): GCVE-100-114577
SecurityFocus: 103413 - spice-gtk CVE-2017-12194 Integer Overflow Vulnerability

Entryinfo

Created: 03/15/2018 07:39
Updated: 01/13/2020 15:48
Changes: 03/15/2018 07:39 (70), 01/13/2020 15:48 (9)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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