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MEDIUM

iptables: buffer overflow in iptables-restore

Published Jul 12, 2019

Description

A buffer overflow in iptables-restore in netfilter iptables 1.8.2 allows an attacker to (at least) crash the program or potentially gain code execution via a specially crafted iptables-save file. This is related to add_param_to_argv in xshared.c.

Affected products

Remediation

Red Hat statement

This flaw has been rated as having a security impact of Low because it requires unlikely circumstances to be able to be exploited. Red Hat Enterprise Linux 8 is not affected by this flaw, as the shipped versions of `iptables` already include the patch. Although Red Hat Enterprise Linux 6 and 7 are affected, successful exploitation is prevented by Stack Smashing Protection (SSP), reducing the impact to a denial of service. Note that this flaw is not currently planned to be addressed in future updates of Red Hat Enterprise Linux 6 and 7. Red Hat Enterprise Linux 6 is in the Extended Life Phase of the support and maintenance life cycle; Red Hat Enterprise Linux 7 is now in Maintenance Support 2 Phase. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.

References (7)

Change history (0)

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Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jul 12, 2019
Updated Aug 4, 2024
Reserved Apr 19, 2019
NVD
Status Modified
Modified Jun 17, 2026
Red Hat
Severity Low
Public date Jul 12, 2019
ENISA EUVD
Assigner mitre
Published Jul 12, 2019
Updated Aug 4, 2024
Exploited since n/a
EUVD-2019-3038