Bug 1405322 – CVE-2016-9963 exim: Possible information disclosure to remote atacker

Bugzilla will be upgraded to version 5.0. The upgrade date is tentatively scheduled for 2 December 2018, pending final testing and feedback.

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

Status:	NEW

Aliases:	CVE-2016-9963

Product:	Security Response
Classification:	Other
Component:	vulnerability (Show other bugs)
Sub Component:
Version:	unspecified
Hardware:	All Linux

Priority	medium Severity medium
Target Milestone:	---
Target Release:	---
Assigned To:	Red Hat Product Security
QA Contact:
Docs Contact:

URL:
Whiteboard:	impact=moderate,public=20161216,repor...
Keywords:	Security

Depends On:	1405323 1405324
Blocks:
	Show dependency tree / graph

Reported:	2016-12-16 03:32 EST by Adam Mariš
Modified:	2017-01-04 06:09 EST (History)
CC List:	3 users (show)

See Also:
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.
Story Points:	---
Clone Of:
Environment:
Last Closed:
Type:	---
Regression:	---
Mount Type:	---
Documentation:	---
CRM:
Verified Versions:
Category:	---
oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---

Attachments	(Terms of Use)
Add an attachment (proposed patch, testcase, etc.)

Groups: None (edit)

Description Adam Mariš 2016-12-16 03:32:20 EST

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 03:32:51 EST

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 05:18:57 EST

External Reference:

https://exim.org/static/doc/CVE-2016-9963.txt

Comment 3 Huzaifa S. Sidhpurwala 2017-01-04 05:26:40 EST

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.

Note You need to log in before you can comment on or make changes to this bug.