SPICE up to 0.14.0 Message input validation

CVSS Meta Temp Score
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CTI Interest Score
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7.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in SPICE up to 0.14.0. Affected by this vulnerability is an unknown functionality of the component Message Handler. Performing a manipulation results in input validation. This vulnerability is identified as CVE-2018-10873. The attack can be initiated remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in SPICE up to 0.14.0. It has been classified as critical. This affects an unknown functionality of the component Message Handler. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability was discovered in SPICE before version 0.14.1 where the generated code used for demarshalling messages lacked sufficient bounds checks. A malicious client or server, after authentication, could send specially crafted messages to its peer which would result in a crash or, potentially, other impacts.

The bug was discovered 08/16/2018. The weakness was released 08/17/2018 by Frediano Ziglio with Red Hat as confirmed bug report (Bugzilla). It is possible to read the advisory at bugzilla.redhat.com. This vulnerability is uniquely identified as CVE-2018-10873 since 05/09/2018. It is possible to initiate the attack remotely. The successful exploitation needs a authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 112203 (SUSE SLES11 Security Update : spice (SUSE-SU-2018:2563-1)), 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 171550 (OpenSUSE Security Update for spice (openSUSE-SU-2018:2598-1)).

Upgrading to version 0.14.1 eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (112203) and SecurityFocus (BID 105152†). Entry connected to this vulnerability is available at VDB-123894. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.7

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.3
CNA Vector (Red Hat, Inc.): 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

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Nessus ID: 112203
Nessus Name: SUSE SLES11 Security Update : spice (SUSE-SU-2018:2563-1)
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: 🔍

Upgrade: SPICE 0.14.1
Patch: gitlab.freedesktop.org

Timelineinfo

05/09/2018 🔍
08/16/2018 +99 days 🔍
08/16/2018 +0 days 🔍
08/17/2018 +0 days 🔍
08/17/2018 +0 days 🔍
08/18/2018 +1 days 🔍
08/30/2018 +12 days 🔍
08/31/2018 +1 days 🔍
05/02/2023 +1705 days 🔍

Sourcesinfo

Advisory: RHSA-2018:2731
Researcher: Frediano Ziglio
Organization: Red Hat
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-10873 (🔍)
GCVE (CVE): GCVE-0-2018-10873
GCVE (VulDB): GCVE-100-122991

OVAL: 🔍

SecurityFocus: 105152 - Spice CVE-2018-10873 Buffer Overflow Vulnerability

See also: 🔍

Entryinfo

Created: 08/18/2018 10:48
Updated: 05/02/2023 13:33
Changes: 08/18/2018 10:48 (77), 03/16/2020 11:55 (7), 05/02/2023 13:27 (5), 05/02/2023 13:33 (12)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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