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CVE-2011-2013 is an integer overflow vulnerability in the TCP/IP implementation of Microsoft Windows Vista SP2, Windows Server 2008 SP2, R2, R2 SP1, and Windows 7 Gold and SP1. The flaw exists in the reference counting logic for UDP packet handling on closed ports, where a 32-bit reference counter can be overflowed by sending a crafted sequence of UDP packets. This overflow can lead to a use-after-free condition in the kernel, enabling remote attackers to execute arbitrary code in kernel context.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
1 sources tracked across advisories and community write-ups. News coverage will land here when it surfaces.
No news coverage yet. Advisories and community discussion only.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.