CVE-2014-3511

NameCVE-2014-3511
DescriptionThe ssl23_get_client_hello function in s23_srvr.c in OpenSSL 1.0.1 before 1.0.1i allows man-in-the-middle attackers to force the use of TLS 1.0 by triggering ClientHello message fragmentation in communication between a client and server that both support later TLS versions, related to a "protocol downgrade" issue.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-2998-1
NVD severitymedium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
openssl (PTS)wheezy1.0.1e-2+deb7u20fixed
wheezy (security)1.0.1t-1+deb7u1fixed
jessie1.0.1t-1+deb8u3fixed
jessie (security)1.0.1t-1+deb8u5fixed
stretch, sid1.1.0c-2fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
opensslsource(unstable)1.0.1i-1medium
opensslsourcesqueeze(not affected)
opensslsourcewheezy1.0.1e-2+deb7u12mediumDSA-2998-1

Notes

[squeeze] - openssl <not-affected> (Doesn't support TLS higher than 1.0)

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