CVE-2018-6521

NameCVE-2018-6521
DescriptionThe sqlauth module in SimpleSAMLphp before 1.15.2 relies on the MySQL utf8 charset, which truncates queries upon encountering four-byte characters. There might be a scenario in which this allows remote attackers to bypass intended access restrictions.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-1273-1, DSA-4127-1
NVD severityhigh

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
simplesamlphp (PTS)jessie1.13.1-2+deb8u1fixed
jessie (security)1.13.1-2+deb8u3fixed
stretch1.14.11-1+deb9u1fixed
stretch (security)1.14.11-1+deb9u2fixed
buster, buster (security)1.16.3-1+deb10u1fixed
bullseye, sid1.18.1-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
simplesamlphpsource(unstable)1.15.2-1
simplesamlphpsourcejessie1.13.1-2+deb8u1DSA-4127-1
simplesamlphpsourcestretch1.14.11-1+deb9u1DSA-4127-1
simplesamlphpsourcewheezy1.9.2-1+deb7u2DLA-1273-1

Notes

https://simplesamlphp.org/security/201801-03

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