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CVE-2011-4111

6.8 · MEDIUM

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)…

Published Feb 26, 2014redhatCWE-119EPSS 2.26%

Overview

CVE-2011-4111 is a medium-severity vulnerability affecting redhat enterprise_linux. It was published on February 26, 2014 and has a CVSS 2.0 base score of 6.8 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 6.8, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories and patches from redhat. Update enterprise_linux to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
qemuqemu0Affected

References

Refgit.qemu.org/?p=qemu-stable-0.15.git%3Ba=logRefgit.qemu.org/?p=qemu.git%3Ba=log%3Bh=refs/heads/stable-1.0Refrhn.redhat.com/errata/RHSA-2011-1777.htmlRefrhn.redhat.com/errata/RHSA-2011-1801.htmlRefbugzilla.redhat.com/show_bug.cgi?id=751310Refgit.qemu.org/?p=qemu-stable-0.15.git%3Ba=logRefgit.qemu.org/?p=qemu.git%3Ba=log%3Bh=refs/heads/stable-1.0Refrhn.redhat.com/errata/RHSA-2011-1777.htmlRefrhn.redhat.com/errata/RHSA-2011-1801.htmlRefbugzilla.redhat.com/show_bug.cgi?id=751310

How CyberStrike helps

Frequently asked questions

What is CVE-2011-4111?

CVE-2011-4111 is a medium-severity vulnerability affecting redhat enterprise_linux. It was published on February 26, 2014 and has a CVSS 2.0 base score of 6.8 (MEDIUM).

How severe is CVE-2011-4111?

This vulnerability has a CVSS 2.0 base score of 6.8, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2011-4111?

Check the references section for vendor advisories and patches from redhat. Update enterprise_linux to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2011-4111?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-4111 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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