Bug 1457748 – CVE-2017-1000369 Exim: Privilege escalation via multiple memory leaks

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Bug 1457748 - (CVE-2017-1000369) CVE-2017-1000369 Exim: Privilege escalation via multiple memory leaks

Summary:	CVE-2017-1000369 Exim: Privilege escalation via multiple memory leaks

Status:	NEW

Aliases:	CVE-2017-1000369

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

Priority	low Severity low
Target Milestone:	---
Target Release:	---
Assigned To:	Red Hat Product Security
QA Contact:
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URL:
Whiteboard:	impact=low,public=20170619,reported=2...
Keywords:	Security

Depends On:	1463539 1463540 1463541
Blocks:	1449010
	Show dependency tree / graph

Reported:	2017-06-01 04:55 EDT by Huzaifa S. Sidhpurwala
Modified:	2017-06-27 03:02 EDT (History)
CC List:	2 users (show)

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oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
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Attachments	(Terms of Use)
Upstream proposed patch (1.70 KB, patch) 2017-06-01 05:08 EDT, Huzaifa S. Sidhpurwala	no flags	Details \| Diff
Add an attachment (proposed patch, testcase, etc.)

Groups: None (edit)

Description Huzaifa S. Sidhpurwala 2017-06-01 04:55:57 EDT

Several memory leak flaws were found in Exim. A local attacker who has access to run the exim binary could use this flaw to escalate his privilege to root.

Comment 2 Huzaifa S. Sidhpurwala 2017-06-01 05:08 EDT

Created attachment 1284052 [details]
Upstream proposed patch

Comment 6 Huzaifa S. Sidhpurwala 2017-06-21 04:21:17 EDT

Upstream commit:

https://github.com/Exim/exim/commit/65e061b76867a9ea7aeeb535341b790b90ae6c21

Comment 7 Huzaifa S. Sidhpurwala 2017-06-21 04:24:12 EDT

Statement:

Exim itself is not vulnerable to privilege escalation, but this particular flaw in exim can be used by the stackguard vulnerability (https://access.redhat.com/security/vulnerabilities/stackguard) to achieve privilege escalation.

Comment 8 Huzaifa S. Sidhpurwala 2017-06-21 04:27:33 EDT

Created exim tracking bugs for this issue:

Affects: fedora-all [bug 1463539]
Affects: epel-6 [bug 1463540]
Affects: epel-7 [bug 1463541]

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