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CVE-2017-12132

Disclosure Date: August 01, 2017
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Description

The DNS stub resolver in the GNU C Library (aka glibc or libc6) before version 2.26, when EDNS support is enabled, will solicit large UDP responses from name servers, potentially simplifying off-path DNS spoofing attacks due to IP fragmentation.

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CVSS V3 Severity and Metrics
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General Information

Vendors

  • gnu

Products

  • glibc

Additional Info

Technical Analysis