CVE-2013-4149

Description

From CVE.org

Buffer overflow in virtio_net_load function in net/virtio-net.c in QEMU 1.3.0 through 1.7.x before 1.7.2 might allow remote attackers to execute arbitrary code via a large MAC table.

Statement

This issue does not affect the versions of kvm package as shipped with Red Hat Enterprise Linux 5.

This issue does not affect the versions of qemu-kvm package as shipped with Red Hat Enterprise Linux 6.

Common Vulnerability Scoring System (CVSS) Score Details

Info alert:Important note

CVSS scores for open source components depend on vendor-specific factors (e.g. version or build chain). Therefore, Red Hat's score and impact rating can be different from NVD and other vendors. Red Hat remains the authoritative CVE Naming Authority (CNA) source for its products and services (see Red Hat classifications).

CVSS v2 Score Breakdown

Red HatNVDcve.org
Base Score3.77.5N/A
Attack VectorLocalNetworkN/A
Access ComplexityHighLowN/A
AuthenticationNoneNoneN/A
Confidentiality ImpactPartialPartialN/A
Integrity ImpactPartialPartialN/A
Availability ImpactPartialPartialN/A

Vector

Red Hat: AV:L/AC:H/Au:N/C:P/I:P/A:P

NVD: AV:N/AC:L/Au:N/C:P/I:P/A:P

Understanding the Weakness (CWE)

CWE-787

Integrity

Technical Impact: Modify Memory; Execute Unauthorized Code or Commands

Write operations could cause memory corruption. In some cases, an adversary can modify control data such as return addresses in order to execute unexpected code.

Availability

Technical Impact: DoS: Crash, Exit, or Restart

Attempting to access out-of-range, invalid, or unauthorized memory could cause the product to crash.

Other

Technical Impact: Unexpected State

Subsequent write operations can produce undefined or unexpected results.

Acknowledgements

This issue was discovered by Anthony Liguori, Michael Roth, and Michael S. Tsirkin (Red Hat).

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