CVE-2017-16548
rsync - security update
9.8
CRITICAL
CVSS 3.1
EPSS 3.3%
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.
How to fix CVE-2017-16548
To remediate CVE-2017-16548, upgrade the affected package to a fixed version below.
- —upgrade to 3.1.2-r7 or later
- —upgrade to 3.1.2-2.1 or later
- —upgrade to 3.0.9-4+deb7u1 or later
- —upgrade to 3.1.1-3+deb8u1 or later
Is CVE-2017-16548 being exploited?
Low — EPSS is 3.3%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0, < 3.1.2-r7
- from 0, < 3.1.2-2.1
- from 0, < 3.0.9-4+deb7u1
- from 0, < 3.1.1-3+deb8u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |