CVE-2017-15130 describes a denial-of-service vulnerability in Dovecot versions prior to 2.2.34, affecting various distributions including Canonical and Debian. An unauthenticated attacker could exploit this by generating numerous random Server Name Indication (SNI) server names during TLS negotiation, causing excessive memory consumption and process restarts. Rated as MEDIUM severity (CVSS 5.9), the attack is network-based and low complexity, leading to high availability impact. There is no evidence of active exploitation, public exploit code, or significant community discussion, suggesting a low current threat level.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2.2.34CPE matchmatch criteria | cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:* | ||
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:*:*:*:*:*:*:* | ||
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:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
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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.