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Red Hat Bugzilla – Attachment 218291 Details for
Bug 321191
CVE-2007-4995 openssl dtls out of order vulnerabilitiy
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draft advisory
advisory2.txt (text/plain), 1.17 KB, created by
Mark J. Cox
on 2007-10-06 08:10:36 UTC
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Description:
draft advisory
Filename:
MIME Type:
Creator:
Mark J. Cox
Created:
2007-10-06 08:10:36 UTC
Size:
1.17 KB
patch
obsolete
>OpenSSL Security Advisory [xx-xxx-2007] > >OpenSSL Vulnerabilities >----------------------- > >Vulnerability A >--------------- > >Andy Polyakov discovered various flaws in OpenSSL's DTLS >implementation which could lead to the compromise of clients and >servers with DTLS enabled. > >These flaws may permit remote code execution. > >This vulnerability is tracked as CVE-2007-4995. > >Versions Affected >----------------- > >All releases of 0.9.8 prior to 0.9.8f. > >Recommendation >-------------- > >Either > >a) Upgrade to the latest version of OpenSSL (0.9.8f) and rebuild all >packages using OpenSSL for DTLS. > >or, > >b) Disable DTLS. > >Vulnerability B >--------------- > >Moritz Jodeit found an off-by-one error in SSL_get_shared_ciphers(), a >function that should normally only be used for logging or debugging. > >The impact of this overflow is unclear. > >This vulnerability is tracked as CVE-2007-5135. > >Versions Affected >----------------- > >All releases of 0.9.8 prior to 0.9.8f. All releases of 0.9.7 prior to >0.9.7m. > >(Note that versions prior to 0.9.8d and 0.9.7l actually had a worse >problem in the same function). > >Recommendation >-------------- > >a) Don't use SSL_get_shared_ciphers(). > >OR > >b) Upgrade to 0.9.8f or 0.9.7m.
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