CVE-2018-17942

NameCVE-2018-17942
DescriptionThe convert_to_decimal function in vasnprintf.c in Gnulib before 2018-09-23 has a heap-based buffer overflow because memory is not allocated for a trailing '\0' character during %f processing.
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-1543-1
NVD severitymedium (attack range: remote)
Debian Bugs910757

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
gnulib (PTS)jessie (security)20140202+stable-2+deb8u1fixed
jessie, stretch20140202+stable-2vulnerable
buster, sid20140202+stable-3vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
gnulibsource(unstable)(unfixed)low910757
gnulibsourcejessie20140202+stable-2+deb8u1mediumDLA-1543-1

Notes

[stretch] - gnulib <no-dsa> (Minor issue)
pspp affecting bug: https://savannah.gnu.org/bugs/?func=detailitem&item_id=54686
https://lists.gnu.org/archive/html/bug-gnulib/2018-09/msg00107.html
https://github.com/coreutils/gnulib/commit/278b4175c9d7dd47c1a3071554aac02add3b3c35

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