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On 11/04/2014 00:55, walt wrote: |
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> On 04/09/2014 05:06 PM, Joseph wrote: |
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>> Is gentoo effected by this new 'Heartbleed' bug? |
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>> |
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>> "The Heartbleed Bug is a serious vulnerability in the popular OpenSSL cryptographic software library...." |
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>> |
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>> http://heartbleed.com/ |
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> |
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> This topic was discussed in my favorite podcast, http://twit.tv/sn |
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> |
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> Steve Gibson explained that the heartbeat feature was introduced in openssl to |
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> allow *UDP* connections to mimic the 'keepalive' function of the TCP protocol. |
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> |
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> IIRC Steve didn't explain how UDP bugs can compromise TCP connections. |
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> |
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> Anyone here really understand the underlying principles? If so, please explain! |
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> |
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> Thanks. |
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> |
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> |
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> |
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> |
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> |
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UDP is not compromising TCP connections. |
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The software bug allows malicious connecting code to determine the |
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contents of memory, which is in use by sshd. How that memory got to be |
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there is irrelevant. |
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There are many lengthy discussions on the internet on how this vuln |
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works. You should read them. |
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-- |
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Alan McKinnon |
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alan.mckinnon@×××××.com |
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