CVE-2024-12086

NameCVE-2024-12086
DescriptionA flaw was found in rsync. It could allow a server to enumerate the contents of an arbitrary file from the client's machine. This issue occurs when files are being copied from a client to a server. During this process, the rsync server will send checksums of local data to the client to compare with in order to determine what data needs to be sent to the server. By sending specially constructed checksum values for arbitrary files, an attacker may be able to reconstruct the data of those files byte-by-byte based on the responses from the client.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-4015-1, DSA-5843-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
rsync (PTS)bullseye3.2.3-4+deb11u1vulnerable
bullseye (security)3.2.3-4+deb11u3fixed
bookworm3.2.7-1vulnerable
bookworm (security)3.2.7-1+deb12u2fixed
sid, trixie3.3.0+ds1-4fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
rsyncsourcebullseye3.2.3-4+deb11u2DLA-4015-1
rsyncsourcebookworm3.2.7-1+deb12u1DSA-5843-1
rsyncsource(unstable)3.3.0+ds1-3

Notes

https://www.openwall.com/lists/oss-security/2025/01/14/3
Fixed by: https://git.samba.org/?p=rsync.git;a=commit;h=8ad4b5d912fad1df29717dddaa775724da77d299 (v3.4.0)
Fixed by: https://git.samba.org/?p=rsync.git;a=commit;h=b4a27ca25d0abb6fcf14f41b7e11f3a6e1d8a4ff (v3.4.0)
Fixed by: https://git.samba.org/?p=rsync.git;a=commit;h=c35e28331f10ba6eba370611abd78bde32d54da7 (v3.4.0)
Fixed by: https://git.samba.org/?p=rsync.git;a=commit;h=9f86ddc9652247233f32b241a79d5aa4fb9d4afa (v3.4.0)
Fix introduces regression: https://github.com/RsyncProject/rsync/issues/715 (#1093160)

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