CVE-2017-16548

NameCVE-2017-16548
DescriptionThe receive_xattr function in xattrs.c in rsync 3.1.2 and 3.1.3-development does not check for a trailing '\0' character in an xattr name, which allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) or possibly have unspecified other impact by sending crafted data to the daemon.
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-1218-1, DSA-4068-1
NVD severityhigh (attack range: remote)
Debian Bugs880954

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
rsync (PTS)jessie (security), jessie3.1.1-3+deb8u1fixed
stretch (security), stretch3.1.2-1+deb9u1fixed
buster, sid3.1.2-2.1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
rsyncsource(unstable)3.1.2-2.1high880954
rsyncsourcejessie3.1.1-3+deb8u1highDSA-4068-1
rsyncsourcestretch3.1.2-1+deb9u1highDSA-4068-1
rsyncsourcewheezy3.0.9-4+deb7u1highDLA-1218-1

Notes

https://bugzilla.samba.org/show_bug.cgi?id=13112
https://git.samba.org/rsync.git/?p=rsync.git;a=commit;h=47a63d90e71d3e19e0e96052bb8c6b9cb140ecc1

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