SPICE Smartcard memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.6$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in SPICE. The affected element is an unknown function of the component Smartcard Handler. Executing a manipulation can lead to memory corruption. This vulnerability appears as CVE-2016-0749. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in SPICE (version unknown) and classified as very critical. This vulnerability affects an unknown function of the component Smartcard Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The smartcard interaction in SPICE allows remote attackers to cause a denial of service (QEMU-KVM process crash) or possibly execute arbitrary code via vectors related to connecting to a guest VM, which triggers a heap-based buffer overflow.

The weakness was presented 06/09/2016 (Website). The advisory is shared for download at access.redhat.com. This vulnerability was named CVE-2016-0749 since 12/16/2015. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 08/23/2022).

The vulnerability scanner Nessus provides a plugin with the ID 91496 (RHEL 7 : spice (RHSA-2016:1205)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Red Hat Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 168943 (SUSE Enterprise Linux Security update for spice (SUSE-SU-2016:1559-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (91496). See VDB-80975, VDB-87816 and VDB-98135 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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: 91496
Nessus Name: RHEL 7 : spice (RHSA-2016:1205)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 831159
OpenVAS Name: Fedora Update for spice FEDORA-2016-6b9c658707
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/16/2015 🔍
06/06/2016 +173 days 🔍
06/07/2016 +1 days 🔍
06/09/2016 +2 days 🔍
06/09/2016 +0 days 🔍
06/10/2016 +1 days 🔍
08/23/2022 +2265 days 🔍

Sourcesinfo

Advisory: RHSA-2016:1205
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-0749 (🔍)
GCVE (CVE): GCVE-0-2016-0749
GCVE (VulDB): GCVE-100-87808

OVAL: 🔍
See also: 🔍

Entryinfo

Created: 06/10/2016 09:30
Updated: 08/23/2022 10:01
Changes: 06/10/2016 09:30 (59), 01/14/2019 08:00 (12), 08/23/2022 10:00 (3), 08/23/2022 10:01 (1)
Complete: 🔍
Cache ID: 216:36B:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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