Oracle VM VirtualBox up to 5.2.39/6.0.19/6.1.5 Core use after free

Summaryinfo

A vulnerability identified as critical has been detected in Oracle VM VirtualBox up to 5.2.39/6.0.19/6.1.5. This vulnerability affects unknown code of the component Core. This manipulation causes Local Privilege Escalation. This vulnerability appears as CVE-2020-2758. The attack requires local access. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Oracle VM VirtualBox up to 5.2.39/6.0.19/6.1.5 (Virtualization Software). It has been declared as critical. Affected by this vulnerability is some unknown functionality of the component Core. The manipulation with an unknown input leads to a local privilege escalation vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). Supported versions that are affected are Prior to 5.2.40, prior to 6.0.20 and prior to 6.1.6. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. While the vulnerability is in Oracle VM VirtualBox, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in takeover of Oracle VM VirtualBox. CVSS 3.0 Base Score 8.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H).

The weakness was presented 04/15/2020 as Oracle Critical Patch Update Advisory - April 2020 as confirmed advisory (Website). The advisory is shared at oracle.com. This vulnerability is known as CVE-2020-2758. An attack has to be approached locally. Additional levels of successful authentication are necessary for exploitation. Neither technical details nor an exploit are publicly available.

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

See VDB-153686, VDB-153290, VDB-153291 and VDB-153293 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Virtualization Software

Vendor

• Oracle

Name

• VM VirtualBox

Version

• 5.2.0
• 5.2.1
• 5.2.2
• 5.2.3
• 5.2.4
• 5.2.5
• 5.2.6
• 5.2.7
• 5.2.8
• 5.2.9
• 5.2.10
• 5.2.11
• 5.2.12
• 5.2.13
• 5.2.14
• 5.2.15
• 5.2.16
• 5.2.17
• 5.2.18
• 5.2.19
• 5.2.20
• 5.2.21
• 5.2.22
• 5.2.23
• 5.2.24
• 5.2.25
• 5.2.26
• 5.2.27
• 5.2.28
• 5.2.29
• 5.2.30
• 5.2.31
• 5.2.32
• 5.2.33
• 5.2.34
• 5.2.35
• 5.2.36
• 5.2.37
• 5.2.38
• 5.2.39
• 6.0.0
• 6.0.1
• 6.0.2
• 6.0.3
• 6.0.4
• 6.0.5
• 6.0.6
• 6.0.7
• 6.0.8
• 6.0.9
• 6.0.10
• 6.0.11
• 6.0.12
• 6.0.13
• 6.0.14
• 6.0.15
• 6.0.16
• 6.0.17
• 6.0.18
• 6.0.19
• 6.1.0
• 6.1.1
• 6.1.2
• 6.1.3
• 6.1.4
• 6.1.5

License

• open-source (GNU GPLv3)

Website

• Vendor: https://www.oracle.com

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Entryinfo

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

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