SPICE up to 0.14.1 out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.1$0-$5k0.00

A vulnerability was found in SPICE up to 0.14.1. It has been rated as critical. This issue affects an unknown functionality. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Spice, versions 0.5.2 through 0.14.1, are vulnerable to an out-of-bounds read due to an off-by-one error in memslot_get_virt. This may lead to a denial of service, or, in the worst case, code-execution by unauthenticated attackers.

The bug was discovered 01/28/2019. The weakness was released 02/04/2019 with Red Hat as Bug 1665371 as confirmed bug report (Bugzilla). The advisory is shared at bugzilla.redhat.com. The identification of this vulnerability is CVE-2019-3813 since 01/03/2019. The attack can only be done within the local network. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 121525 (Oracle Linux 7 : spice (ELSA-2019-0231)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 157906 (Oracle Enterprise Linux Security Update for spice-server (ELSA-2019-0232)).

Upgrading 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 (121525) and SecurityFocus (BID 106801†). Entry connected to this vulnerability is available at VDB-103749. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.1

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 121525
Nessus Name: Oracle Linux 7 : spice (ELSA-2019-0231)
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: 🔍

Timelineinfo

01/03/2019 🔍
01/28/2019 +25 days 🔍
01/28/2019 +0 days 🔍
01/31/2019 +3 days 🔍
02/01/2019 +1 days 🔍
02/04/2019 +3 days 🔍
02/05/2019 +1 days 🔍
07/04/2023 +1610 days 🔍

Sourcesinfo

Advisory: Bug 1665371
Organization: Red Hat
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2019-3813 (🔍)
GCVE (CVE): GCVE-0-2019-3813
GCVE (VulDB): GCVE-100-130481
SecurityFocus: 106801 - Spice CVE-2019-3813 Out of Bounds Read Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 02/05/2019 11:23 AM
Updated: 07/04/2023 07:28 PM
Changes: 02/05/2019 11:23 AM (48), 05/08/2020 06:24 AM (14), 07/04/2023 07:28 PM (19)
Complete: 🔍
Cache ID: 18:548:40

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