The DNS-over-TCP implementation in Cisco IOS 12.2 and 15.0 up to and including 15.3, when NAT is used, allows remote malicious users to cause a denial of service (device reload) via a crafted IPv4 DNS TCP stream, aka Bug ID CSCtn53730.
Vulnerable Product | Search on Vulmon | Subscribe to Product |
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cisco ios 12.2 |
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cisco ios 15.2 |
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cisco ios 15.0 |
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cisco ios 15.3 |
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cisco ios 15.1 |