SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-16881

A denial of service vulnerability was found in rsyslog in the imptcp module.

HIGH 7.5EPSS 2.24%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.24%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A denial of service vulnerability was found in rsyslog in the imptcp module. An attacker could send a specially crafted message to the imptcp socket, which would cause rsyslog to crash. Versions before 8.27.0 are vulnerable.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
2.24% probability · 82th percentile
CISA KEV
Not listed
Weakness
CWE-190
Affected
rsyslog/rsyslog · redhat/virtualization manager · redhat/enterprise linux desktop · redhat/enterprise linux for ibm z systems · redhat/enterprise linux for power big endian · redhat/enterprise linux for power little endian · redhat/enterprise linux for scientific computing · redhat/enterprise linux server · redhat/enterprise linux workstation · redhat/virtualization · redhat/virtualization host · debian/debian linux
Source
secalert@redhat.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.