What’s Vulnerable › Vulnerabilities
CVE-2017-16548
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 5.8% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2017-11-06 · updated 2026-06-17
- Weakness: CWE-125
Description
The receive_xattr function in xattrs.c in rsync 3.1.2 and 3.1.3-development does not check for a trailing '\0' character in an xattr name, which allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) or possibly have unspecified other impact by sending crafted data to the daemon.
Affected products
- Canonical Ubuntu Linux: 12.04, 14.04, 16.04, 17.10
- Debian Linux: 7.0, 8.0, 9.0
- RsyncProject rsync: from 2.6.9 (excl.) through 3.1.2
References
- https://bugzilla.samba.org/show_bug.cgi?id=13112
- https://git.samba.org/rsync.git/?p=rsync.git%3Ba=commit%3Bh=47a63d90e71d3e19e0e96052bb8c6b9cb140ecc1
- https://lists.debian.org/debian-lts-announce/2017/12/msg00020.html
- https://usn.ubuntu.com/3543-1/
- https://usn.ubuntu.com/3543-2/
- https://www.debian.org/security/2017/dsa-4068
- https://bugzilla.samba.org/show_bug.cgi?id=13112
- https://git.samba.org/rsync.git/?p=rsync.git%3Ba=commit%3Bh=47a63d90e71d3e19e0e96052bb8c6b9cb140ecc1
- https://lists.debian.org/debian-lts-announce/2017/12/msg00020.html
- https://usn.ubuntu.com/3543-1/
- https://usn.ubuntu.com/3543-2/
- https://www.debian.org/security/2017/dsa-4068
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