CVE-2015-1821 describes a heap-based buffer overflow in chrony versions prior to 1.31.1, affecting Debian and Tuxfamily chrony implementations. This vulnerability allows remote authenticated users to trigger a denial of service or potentially execute arbitrary code. The attack requires specific configuration of NTP or cmdmon access with a subnet size indivisible by four and an address with a nonzero bit in the subnet remainder. While rated with a CVSS score of 6.5 (medium severity), 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 |
|---|---|---|---|
<= 1.31CPE matchmatch criteria | cpe:2.3:a:tuxfamily:chrony:*:*:*:*:*:*:*:* | ||
7.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:S/C:P/I:P/A:P
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.