What’s Vulnerable › Vulnerabilities

CVE-2007-5756

• Severity: medium (CVSS 6.9 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2007-11-14 · updated 2026-06-16
• Weakness: CWE-129

Description

Multiple array index errors in the bpf_filter_init function in NPF.SYS in WinPcap before 4.0.2, when run in monitor mode (aka Table Management Extensions or TME), and as used in Wireshark and possibly other products, allow local users to gain privileges via crafted IOCTL requests.

Affected products

• Winpcap: before 4.0.2 — fixed in 4.0.2

How to fix

Upgrade to a fixed version: Winpcap 4.0.2. Check the vendor advisory for mitigations.

References

• http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=625
• http://secunia.com/advisories/27676
• http://www.securityfocus.com/bid/26409
• http://www.securitytracker.com/id?1018935
• http://www.vupen.com/english/advisories/2007/3835
• http://www.winpcap.org/misc/changelog.htm
• https://exchange.xforce.ibmcloud.com/vulnerabilities/38433
• http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=625
• http://secunia.com/advisories/27676
• http://www.securityfocus.com/bid/26409
• http://www.securitytracker.com/id?1018935
• http://www.vupen.com/english/advisories/2007/3835

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