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CVE-2017-15130

Status Candidate

Overview

A denial of service flaw was found in dovecot before 2.2.34. An attacker able to generate random SNI server names could exploit TLS SNI configuration lookups, leading to excessive memory usage and the process to restart.

Related Files

Ubuntu Security Notice USN-3587-2
Posted Apr 2, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3587-2 - USN-3587-1 fixed a vulnerability in Dovecot. This update provides the corresponding update for Ubuntu 12.04 ESM. It was discovered that Dovecot incorrectly handled parsing certain email addresses. A remote attacker could use this issue to cause Dovecot to crash, resulting in a denial of service, or possibly obtain sensitive information. Various other issues were also addressed.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2017-14461, CVE-2017-15130
SHA-256 | c1f6d6e6682487d0c9dcfa66fa41c4337fa8d5078553630d242b82e7cbd1dc0d
Debian Security Advisory 4130-1
Posted Mar 5, 2018
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4130-1 - Several vulnerabilities have been discovered in the Dovecot email server.

tags | advisory, vulnerability
systems | linux, debian
advisories | CVE-2017-14461, CVE-2017-15130, CVE-2017-15132
SHA-256 | b72645d04abb2796b35b7272e5208019f22ef74f7893524d18a0bb44b81ddbd3
Ubuntu Security Notice USN-3587-1
Posted Mar 5, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3587-1 - It was discovered that Dovecot incorrectly handled parsing certain email addresses. A remote attacker could use this issue to cause Dovecot to crash, resulting in a denial of service, or possibly obtain sensitive information. It was discovered that Dovecot incorrectly handled TLS SNI config lookups. A remote attacker could possibly use this issue to cause Dovecot to crash, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2017-14461, CVE-2017-15130
SHA-256 | 625cfc8b26e130e4d7c58da134e865f2618f6ccdfec01a7149b33f4a9d48d196
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