| Name | CVE-2017-15994 |
| Description | rsync 3.1.3-development before 2017-10-24 mishandles archaic checksums, which makes it easier for remote attackers to bypass intended access restrictions. NOTE: the rsync development branch has significant use beyond the rsync developers, e.g., the code has been copied for use in various GitHub projects. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| rsync (PTS) | jessie, jessie (lts) | 3.1.1-3+deb8u2 | fixed |
| stretch (security), stretch (lts), stretch | 3.1.2-1+deb9u3 | fixed | |
| buster | 3.1.3-6 | fixed | |
| bullseye | 3.2.3-4+deb11u1 | fixed | |
| bookworm | 3.2.7-1 | fixed | |
| sid, trixie | 3.3.0-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| rsync | source | (unstable) | (not affected) |
- rsync <not-affected> (Problematic code to allow checksum choice only introduced after 3.1.2 release)
https://git.samba.org/?p=rsync.git;a=commit;h=7b8a4ecd6ff9cdf4e5d3850ebf822f1e989255b3
https://git.samba.org/?p=rsync.git;a=commit;h=9a480deec4d20277d8e20bc55515ef0640ca1e55
https://git.samba.org/?p=rsync.git;a=commit;h=c252546ceeb0925eb8a4061315e3ff0a8c55b48b
And possibly the following two commits on top:
https://git.samba.org/?p=rsync.git;a=commit;h=bc112b0e7feece62ce98708092306639a8a53cce
https://git.samba.org/?p=rsync.git;a=commit;h=416e719bea4f5466c8dd2b34cac0059b6ff84ff3
The following commit introduced special handling of archaic versions / handling of
--checksum-choice option to choose the checksum algorithms:
https://git.samba.org/?p=rsync.git;a=commit;h=a5a7d3a297b836387b0ac677383bdddaf2ac3598