CVE-2017-10789

NameCVE-2017-10789
DescriptionThe DBD::mysql module through 4.043 for Perl uses the mysql_ssl=1 setting to mean that SSL is optional (even though this setting's documentation has a "your communication with the server will be encrypted" statement), which allows man-in-the-middle attackers to spoof servers via a cleartext-downgrade attack, a related issue to CVE-2015-3152.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-1079-1
Debian Bugs866821

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libdbd-mysql-perl (PTS)buster4.050-2fixed
bullseye4.050-3fixed
bookworm4.050-5fixed
sid, trixie4.052-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libdbd-mysql-perlsourcewheezy4.021-1+deb7u3DLA-1079-1
libdbd-mysql-perlsource(unstable)4.046-1866821

Notes

[stretch] - libdbd-mysql-perl <no-dsa> (Minor issue, can be fixed via point release)
[jessie] - libdbd-mysql-perl <no-dsa> (Minor issue, can be fixed via point release)
https://github.com/perl5-dbi/DBD-mysql/issues/110
https://github.com/perl5-dbi/DBD-mysql/pull/114
Upstream 4.042 fixed this issue, but was reverted upstream in 4.043:
https://www.nntp.perl.org/group/perl.dbi.dev/2017/08/msg8037.html
No upstream-blessed patch available.

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