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[Bug 47408] New: segfault potential in modssl ssl_log_cxerror

 

 

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Jun 23, 2009, 4:56 AM

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[Bug 47408] New: segfault potential in modssl ssl_log_cxerror

https://issues.apache.org/bugzilla/show_bug.cgi?id=47408

Summary: segfault potential in modssl ssl_log_cxerror
Product: Apache httpd-2
Version: 2.3-HEAD
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: P2
Component: mod_ssl
AssignedTo: bugs[at]httpd.apache.org
ReportedBy: peter.sylvester[at]edelweb.fr


The ssl_log_cxerror routine in ssl_engine_log.c may receive a NULL pointer
as a certificate (caused foir exemple by some recent change in openssl.
that reurn a NULL pointer to a call to X509_STORE_CTX_get_current_cert
in some new logic concerning policy checks.

The routine could either simply return in case of a NULL parameter
or issue a static error message.

Alternatively the few callers could be fixed not to call the routine.

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