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CVE-2017-16943

Status Candidate

Overview

The receive_msg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free) via vectors involving BDAT commands.

Related Files

Gentoo Linux Security Advisory 201803-01
Posted Mar 6, 2018
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201803-1 - Multiple vulnerabilities have been found in Exim, the worst of which allows remote attackers to execute arbitrary code. Versions less than 4.90.1 are affected.

tags | advisory, remote, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2017-16943, CVE-2017-16944, CVE-2018-6789
SHA-256 | fae08f3a967abdc43a1c026ad3ce23d707d739eacf930009ae729881c47b4e5c
Ubuntu Security Notice USN-3493-1
Posted Nov 27, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3493-1 - It was discovered that Exim incorrectly handled memory in the ESMTP CHUNKING extension. A remote attacker could use this issue to cause Exim to crash, resulting in a denial of service, or possibly execute arbitrary code. The default compiler options for affected releases should reduce the vulnerability to a denial of service.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2017-16943
SHA-256 | b682ce23a365c9f0c1a12f999ea8890678e6432dec8406a563bfa963c428342c
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