Rapid7 Vulnerability & Exploit Database

Exim: Use of Externally-Controlled Format String (CVE-2011-1764)

Back to Search

Exim: Use of Externally-Controlled Format String (CVE-2011-1764)

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
10/05/2011
Created
12/04/2019
Added
12/03/2019
Modified
12/03/2019

Description

Format string vulnerability in the dkim_exim_verify_finish function in src/dkim.c in Exim before 4.76 might allow remote attackers to execute arbitrary code or cause a denial of service (daemon crash) via format string specifiers in data used in DKIM logging, as demonstrated by an identity field containing a % (percent) character.

Solution(s)

  • exim-upgrade-latest

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;