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CVE-2007-5729

7.2 · HIGH

The NE2000 emulator in QEMU 0.8.2 allows local users to execute arbitrary code by writing Ethernet frames with a size larger than the MTU to the EN0_TCNT register, which triggers a heap-based buffe…

Published Oct 30, 2007qemuCWE-119EPSS 0.58%

Overview

CVE-2007-5729 is a high-severity vulnerability affecting qemu qemu. It was published on October 30, 2007 and has a CVSS 2.0 base score of 7.2 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.2, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

The NE2000 emulator in QEMU 0.8.2 allows local users to execute arbitrary code by writing Ethernet frames with a size larger than the MTU to the EN0_TCNT register, which triggers a heap-based buffer overflow in the slirp library, aka NE2000 "mtu" heap overflow. NOTE: some sources have used CVE-2007-1321 to refer to this issue as part of "NE2000 network driver and the socket code," but this is the correct identifier for the mtu overflow vulnerability.

Remediation

Check the references section for vendor advisories and patches from qemu. Update qemu 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

References

Reflists.opensuse.org/opensuse-security-announce/2009-01/msg00004.htmlRefosvdb.org/42986Refsecunia.com/advisories/25073Refsecunia.com/advisories/25095Refsecunia.com/advisories/27486Refsecunia.com/advisories/29129Refsecunia.com/advisories/33568Reftaviso.decsystem.org/virtsec.pdfRefwww.attrition.org/pipermail/vim/2007-October/001842.htmlRefwww.debian.org/security/2007/dsa-1284

How CyberStrike helps

Frequently asked questions

What is CVE-2007-5729?

CVE-2007-5729 is a high-severity vulnerability affecting qemu qemu. It was published on October 30, 2007 and has a CVSS 2.0 base score of 7.2 (HIGH).

How severe is CVE-2007-5729?

This vulnerability has a CVSS 2.0 base score of 7.2, rated HIGH. 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-2007-5729?

Check the references section for vendor advisories and patches from qemu. Update qemu 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-2007-5729?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2007-5729 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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