CVE-2017-1000369

Impact:
Low
Public Date:
2017-06-19
Bugzilla:
1457748: CVE-2017-1000369 Exim: Privilege escalation via multiple memory leaks

The MITRE CVE dictionary describes this issue as:

Exim supports the use of multiple "-p" command line arguments which are malloc()'ed and never free()'ed, used in conjunction with other issues allows attackers to cause arbitrary code execution. This affects exim version 4.89 and earlier. Please note that at this time upstream has released a patch (commit 65e061b76867a9ea7aeeb535341b790b90ae6c21), but it is not known if a new point release is available that addresses this issue at this time.

Find out more about CVE-2017-1000369 from the MITRE CVE dictionary dictionary and NIST NVD.

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.

CVSS v3 metrics

NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.

CVSS3 Base Score 2.9
CVSS3 Base Metrics CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack Vector Local
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity Impact Low
Availability Impact None

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 5 exim Will not fix
Last Modified

CVE description copyright © 2017, The MITRE Corporation