Vulnerability in Samba Rsync
CVE-2018-5764
The parse_arguments function in options.c in rsyncd in rsync before 3.1.3 does not prevent multiple --protect-args uses, which allows remote attackers to bypass an argument-sanitization protection mechanism.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.064 (93.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 93.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.064 · newest: 0.064 · change: 0.000
Affected products
- Samba Rsync
- Canonical Ubuntu Linux — versions 14.04, 16.04, 17.10
- Debian Linux — versions 7.0, 8.0, 9.0
Public proof-of-concept exploits
References
- lists.debian.org/debian-lts-announce/2018/01/msg00021.html (mailing-list, Mailing List, Third Party Advisory)
- git.samba.org/rsync.git/
- www.securitytracker.com/id/1040276 (VDB Entry, Third Party Advisory, vdb-entry)
- usn.ubuntu.com/3543-1/ (vendor-advisory, Third Party Advisory)
- security.gentoo.org/glsa/201805-04 (vendor-advisory, Third Party Advisory)
- www.securityfocus.com/bid/102803 (VDB Entry, Third Party Advisory, vdb-entry)
- download.samba.org/pub/rsync/src-previews/rsync-3.1.3pre1-NEWS (Release Notes, Vendor Advisory)
- lists.debian.org/debian-lts-announce/2019/03/msg00027.html (mailing-list, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2021/11/msg00028.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-5764?
- CVE-2018-5764 is a high-severity vulnerability in Samba Rsync. CVSS score: 7.5/10. Published 2018-01-17.
- How severe is CVE-2018-5764?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2018-5764 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.