CVE-2018-18309

NameCVE-2018-18309
DescriptionAn issue was discovered in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.31. An invalid memory address dereference was discovered in read_reloc in reloc.c. The vulnerability causes a segmentation fault and application crash, which leads to denial of service, as demonstrated by objdump, because of missing _bfd_clear_contents bounds checking.
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)
NVD severitymedium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
binutils (PTS)jessie2.25-5+deb8u1vulnerable
stretch2.28-5vulnerable
buster2.31.1-16vulnerable
bullseye, sid2.33.1-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
binutilssource(unstable)2.32.51.20190707-1unimportant
binutilssourceexperimental2.31.51.20181022-1medium

Notes

https://sourceware.org/bugzilla/show_bug.cgi?id=23770
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=0930cb3021b8078b34cf216e79eb8608d017864f
binutils not covered by security support

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