CVE-2011-4111

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Last Modified: UTC

ImportantImportant ImpactWhat does this mean?

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Description

The CVE Program describes this issue as:

Buffer overflow in the ccid_card_vscard_handle_message function in hw/ccid-card-passthru.c in QEMU before 0.15.2 and 1.x before 1.0-rc4 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted VSC_ATR message.

Statement

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

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

Additional information

  • Bugzilla 751310: qemu: ccid: buffer overflow in handling of VSC_ATR message
  • FAQ: Frequently asked questions about CVE-2011-4111

Common Vulnerability Scoring System (CVSS) Score Details

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 HatNVD

CVSS v2 Base Score

6.8

6.8

Attack Vector

Adjacent Network

Adjacent Network

Access Complexity

High

High

Authentication

None

None

Confidentiality Impact

Complete

Complete

Integrity Impact

Complete

Complete

Availability Impact

Complete

Complete

CVSS v2 Vector

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

NVD: AV:A/AC:H/Au:N/C:C/I:C/A:C

Frequently Asked Questions

Why is Red Hat's CVSS v3 score or Impact different from other vendors?

My product is listed as "Under investigation" or "Affected", when will Red Hat release a fix for this vulnerability?

What can I do if my product is listed as "Will not fix"?

What can I do if my product is listed as "Fix deferred"?

What is a mitigation?

I have a Red Hat product but it is not in the above list, is it affected?

Why is my security scanner reporting my product as vulnerable to this vulnerability even though my product version is fixed or not affected?

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