Back

MEDIUM

Exim: Privilege escalation via multiple memory leaks

Published Jun 19, 2017

Description

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.

Affected products

Remediation

Red Hat 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.

References (11)

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED
Assigner mitre
Published Jun 19, 2017
Updated Aug 5, 2024
Reserved Jun 19, 2017

CISA Vulnrichment

No data

NVD

Status Modified
Modified Jun 17, 2026

Red Hat

Severity Low
Public date Jun 19, 2017
Bugzilla 1457748

ENISA EUVD

Assigner mitre
Published Jun 19, 2017
Updated Aug 5, 2024

GitHub

No data