CVE-2017-15873

NameCVE-2017-15873
DescriptionThe get_next_block function in archival/libarchive/decompress_bunzip2.c in BusyBox 1.27.2 has an Integer Overflow that may lead to a write access violation.
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-1445-1
NVD severitymedium (attack range: remote)
Debian Bugs879732

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
busybox (PTS)jessie1:1.22.0-9+deb8u1vulnerable
jessie (security)1:1.22.0-9+deb8u4fixed
stretch1:1.22.0-19vulnerable
buster, sid1:1.27.2-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
busyboxsource(unstable)1:1.27.2-2medium879732
busyboxsourcejessie1:1.22.0-9+deb8u2mediumDLA-1445-1

Notes

[stretch] - busybox <no-dsa> (Minor issue)
[wheezy] - busybox <no-dsa> (Minor issue)
Fixed by: https://git.busybox.net/busybox/commit/?id=0402cb32df015d9372578e3db27db47b33d5c7b0
https://bugs.busybox.net/show_bug.cgi?id=10431

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