Vulnerability Monitor

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CVE-2007-5729

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.

Security Impact Summary

CVE-2007-5729 is a security vulnerability that . Impacting 3 products from qemu, from debian, from opensuse organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2007, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.

Published

2007-10-30T22:46:00.000

Last Modified

2026-04-23T00:35:47.467

Status

Modified

Source

[email protected]

Severity

CVSSv2: 7.2 (HIGH)

CVSSv2 Vector

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

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

3.9

Impact Score

10.0

Weaknesses

Type: Primary
CWE-119

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	qemu	qemu	0.8.2	Yes
Operating System	debian	debian_linux	3.1	Yes
Operating System	debian	debian_linux	4.0	Yes
Operating System	opensuse	opensuse	11.0	Yes
Operating System	opensuse	opensuse	11.1	Yes

References

http://lists.opensuse.org/opensuse-security-announce/2009-01/msg00004.html Mailing List, Third Party Advisory ([email protected])
http://osvdb.org/42986 Broken Link ([email protected])
http://secunia.com/advisories/25073 Third Party Advisory ([email protected])
http://secunia.com/advisories/25095 Third Party Advisory ([email protected])
http://secunia.com/advisories/27486 Third Party Advisory ([email protected])
http://secunia.com/advisories/29129 Third Party Advisory ([email protected])
http://secunia.com/advisories/33568 Third Party Advisory ([email protected])
http://taviso.decsystem.org/virtsec.pdf Technical Description, Third Party Advisory ([email protected])
http://www.attrition.org/pipermail/vim/2007-October/001842.html Third Party Advisory ([email protected])
http://www.debian.org/security/2007/dsa-1284 Third Party Advisory ([email protected])
http://www.mandriva.com/security/advisories?name=MDKSA-2007:203 Third Party Advisory ([email protected])
http://www.mandriva.com/security/advisories?name=MDVSA-2008:162 Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/23731 Third Party Advisory, VDB Entry ([email protected])
http://www.vupen.com/english/advisories/2007/1597 Third Party Advisory ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/38238 Third Party Advisory, VDB Entry ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2009-01/msg00004.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://osvdb.org/42986 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/25073 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/25095 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/27486 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/29129 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/33568 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://taviso.decsystem.org/virtsec.pdf Technical Description, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.attrition.org/pipermail/vim/2007-October/001842.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2007/dsa-1284 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.mandriva.com/security/advisories?name=MDKSA-2007:203 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.mandriva.com/security/advisories?name=MDVSA-2008:162 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/23731 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.vupen.com/english/advisories/2007/1597 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/38238 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For qemu's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.