CVE-2017-16548 is a critical denial-of-service vulnerability affecting rsync versions 3.1.2 and 3.1.3-development, as well as various distributions of Debian and Ubuntu Linux. The flaw, a heap-based buffer over-read (CWE-125), stems from the `receive_xattr` function's failure to validate for a trailing null terminator in extended attribute names, allowing unauthenticated remote attackers to crash the rsync daemon and potentially achieve further unspecified impact. Despite its CVSSv3 score of 9.8 (Critical), indicating a network-exploitable vulnerability with high impact on confidentiality, integrity, and availability, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
> 2.6.9, <= 3.1.2CPE matchmatch criteria | cpe:2.3:a:samba:rsync:*:*:*:*:*:*:*:* | ||
12.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* | ||
14.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* | ||
16.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* | ||
17.10CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.