QEMU 4.0.0 ACL qemu-bridge-helper.c –br privilege escalation

A vulnerability was found in QEMU 4.0.0 (Virtualization Software). It has been rated as critical. Affected by this issue is an unknown code block of the file qemu-bridge-helper.c of the component ACL. The manipulation of the argument --br with an unknown input leads to a privilege escalation vulnerability (Bypass). Using CWE to declare the problem leads to CWE-269. Impacted is confidentiality, integrity, and availability.

The weakness was published 07/03/2019 (oss-sec). The advisory is shared for download at openwall.com. This vulnerability is handled as CVE-2019-13164 since 07/02/2019. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 07/03/2019).

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

Type

Name

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: ≈5.5
VulDB Temp Score: ≈5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Class: Privilege escalation / Bypass (CWE-269)
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍Recommended: no mitigation known

0-Day Time: 🔒

07/02/2019 CVE assigned
07/03/2019 +1 days Advisory disclosed
07/03/2019 +0 days VulDB entry created
07/03/2019 +0 days VulDB last updateProduct: qemu.org

Advisory: openwall.com

CVE: CVE-2019-13164 (🔒)

Created: 07/03/2019 07:40 PM
Complete: 🔍

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