https://issues.apache.org/bugzilla/show_bug.cgi?id=54752
Bug ID: 54752
Summary: mod_ssl should not use uninitialized memory as random
seed
Product: Apache httpd-2
Version: 2.5-HEAD
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P2
Component: mod_ssl
Assignee: [email protected]
Reporter: [email protected]
Classification: Unclassified
mod_ssl's 'builtin' random seed uses uninitalized stack memory as random seed.
This is undefined behavior in C and can cause other seemingly unrelated code to
be optimized away. See
http://kqueue.org/blog/2012/06/25/more-randomness-or-less/ for an example.
Also the docs are wrong in that it claims that the scoreboard memory is used as
seed, which is not the case.
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