oVirt Engine VersionMapperfromKernelVersionString memory corruption

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 (≈)
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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.
6.5$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in oVirt Engine. This affects the function VersionMapperfromKernelVersionString. Executing a manipulation can lead to memory corruption. This vulnerability is handled as CVE-2016-3077. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability classified as critical was found in oVirt Engine (Virtualization Software) (unknown version). This vulnerability affects the function VersionMapperfromKernelVersionString. 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 availability. CVE summarizes:

The VersionMapper.fromKernelVersionString method in oVirt Engine allows remote authenticated users to cause a denial of service (process crash) for all VMs.

The bug was discovered 03/29/2016. The weakness was released 06/06/2017 as Bug 1321972 as not defined bug report (Bugzilla). The advisory is shared for download at bugzilla.redhat.com. This vulnerability was named CVE-2016-3077 since 03/10/2016. The attack can be initiated remotely. The requirement for exploitation is a single authentication. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 434 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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

Productinfo

Type

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 6.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/10/2016 🔍
03/29/2016 +19 days 🔍
06/06/2017 +434 days 🔍
06/06/2017 +0 days 🔍
06/07/2017 +1 days 🔍
10/14/2019 +859 days 🔍

Sourcesinfo

Advisory: Bug 1321972
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-3077 (🔍)
GCVE (CVE): GCVE-0-2016-3077
GCVE (VulDB): GCVE-100-102016

Entryinfo

Created: 06/07/2017 08:35
Updated: 10/14/2019 09:11
Changes: 06/07/2017 08:35 (58), 10/14/2019 09:11 (2)
Complete: 🔍
Cache ID: 216::103

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