Bug 1405322 (CVE-2016-9963) - CVE-2016-9963 exim: Possible information disclosure to remote atacker
Summary: CVE-2016-9963 exim: Possible information disclosure to remote atacker
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2016-9963
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1405323 1405324
Blocks:
TreeView+ depends on / blocked
 
Reported: 2016-12-16 08:32 UTC by Adam Mariš
Modified: 2021-02-17 02:51 UTC (History)
3 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
It was found that Exim leaked DKIM signing private keys to the "mainlog" log file. As a result, an attacker with access to system log files could potentially access these leaked DKIM private keys.
Clone Of:
Environment:
Last Closed: 2019-06-08 03:04:30 UTC
Embargoed:

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Description Adam Mariš 2016-12-16 08:32:20 UTC 
Under certain circumstances it's possible for remote attacker to leak private information.

Affected versions: 4.69 -> 4.87

Upstream bug:

https://bugs.exim.org/show_bug.cgi?id=1996

CVE assignment:

http://seclists.org/oss-sec/2016/q4/694
Comment 1 Adam Mariš 2016-12-16 08:32:51 UTC 
Created exim tracking bugs for this issue:

Affects: fedora-all [bug 1405323]
Affects: epel-all [bug 1405324]
Comment 2 Huzaifa S. Sidhpurwala 2017-01-04 10:18:57 UTC 
External Reference:

https://exim.org/static/doc/CVE-2016-9963.txt
Comment 3 Huzaifa S. Sidhpurwala 2017-01-04 10:26:40 UTC 
Statement:

This flaw does not affect the version of Exim shipped with Red Hat Enterprise Linux 5 because it is not built with DKIM (DomainKeys Identified Mail) support.
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