PT-2017-4326 · Rsyslog+5 · Rsyslog+5

Joel Miller + 1 · Published 2017-05-16 · Updated 2022-10-06 · CVE-2018-16881

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions: rsyslog versions prior to 8.27.0

Description: The issue is related to an integer overflow in the imptcp module of the Rsyslog log processing utility. It allows a remote attacker to cause a denial of service. An attacker could send a specially crafted message to the imptcp socket, which would cause rsyslog to crash.

Recommendations: For versions prior to 8.27.0, update to version 8.27.0 or later to resolve the issue. As a temporary workaround, consider restricting access to the imptcp socket to minimize the risk of exploitation.

Fix

DoS

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

ALT-PU-2017-1745

BDU:2023-07785

CESA-2019_2110

CVE-2018-16881

DLA-3016-1

MGASA-2019-0110

OPENSUSE-SU-2019_0154-1

RHSA-2019:2110

RHSA-2019:2437

RHSA-2019:2439

RHSA-2019_2110

SUSE-SU-2019:0209-1

USN-5419-1

Affected Products

Alt Linux

Centos

Red Hat

Suse

Ubuntu

Rsyslog

References · 33

• https://osv.dev/vulnerability/UBUNTU-CVE-2018-16881 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-16881 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-16881 · Vendor Advisory
• https://access.redhat.com/errata/RHBA-2019:2501 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2018-16881 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2019:0209-1 · Vendor Advisory
• https://osv.dev/vulnerability/USN-5419-1 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se16-bulletin-20220829SE16 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2018-16881 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se81-bulletin-20230315SE81 · Vendor Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16881 · Patch
• https://ubuntu.com/security/CVE-2019-17042 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2019-0110.html · Security Note
• https://ubuntu.com/security/notices/USN-5419-1 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2019-0110 · Vendor Advisory