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CVE-2017-16844

Status Candidate

Overview

Heap-based buffer overflow in the loadbuf function in formisc.c in formail in procmail 3.22 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted e-mail message because of a hardcoded realloc size, a different vulnerability than CVE-2014-3618.

Related Files

Red Hat Security Advisory 2017-3269-01
Posted Nov 28, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-3269-01 - The procmail packages contain a mail processing tool that can be used to create mail servers, mailing lists, sort incoming mail into separate folders or files, preprocess mail, start any program upon mail arrival, or automatically forward selected incoming mail. Security Fix: A heap-based buffer overflow flaw was found in procmail's formail utility. A remote attacker could send a specially crafted email that, when processed by formail, could cause formail to crash or, possibly, execute arbitrary code as the user running formail.

tags | advisory, remote, overflow, arbitrary
systems | linux, redhat
advisories | CVE-2017-16844
SHA-256 | 5622b099a9dfdea7d27cd19e91fd3673e0d1f340111ff01937ce5596b21a9daf
Ubuntu Security Notice USN-3483-2
Posted Nov 21, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3483-2 - USN-3483-1 fixed a vulnerability in procmail. This update provides the corresponding update for Ubuntu 12.04 ESM. Jakub Wilk discovered that the formail tool incorrectly handled certain malformed mail messages. An attacker could use this flaw to cause formail to crash, resulting in a denial of service, or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2017-16844
SHA-256 | 241e560ad1546a686673831611b4fc82a69546ecb78985b2954d9c0b78483fec
Ubuntu Security Notice USN-3483-1
Posted Nov 20, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3483-1 - Jakub Wilk discovered that the formail tool incorrectly handled certain malformed mail messages. An attacker could use this flaw to cause formail to crash, resulting in a denial of service, or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2017-16844
SHA-256 | c5974496315c37ff8d245632d3a2ae6be3dd391bc2a8aa050f67084715de0758
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