CVE-2018-0487 is a critical buffer overflow vulnerability in ARM mbed TLS versions prior to 1.3.22, 2.1.10, and 2.7.0, affecting ARM and Debian Linux distributions. This flaw allows remote attackers to execute arbitrary code or cause a denial of service by sending a specially crafted certificate chain during TLS or DTLS sessions, which is mishandled during RSASSA-PSS signature verification. With a CVSS score of 9.8 (Critical), it presents a high-impact, low-complexity attack vector requiring no user interaction or privileges. While there is no evidence of active exploitation, public exploit code, or KEV listing, the vulnerability has garnered significant community discussion, indicating awareness among security researchers.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 1.3.8, < 1.3.22CPE matchmatch criteria | cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:* | ||
>= 2.1.0, < 2.1.10CPE matchmatch criteria | cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:* | ||
>= 2.2.0, < 2.7.0CPE matchmatch criteria | cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:* | ||
8.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/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.
Remediation records are not available for this CVE.