Vulnerability 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 Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Rsyslog | Rsyslog | < 8.27.0 |
| Redhat | Virtualization Manager | 4.3 |
| Redhat | Enterprise Linux Desktop | 7.0 |
| Redhat | Enterprise Linux For Ibm Z Systems | 7.0 |
| Redhat | Enterprise Linux For Power Big Endian | 7.0 |
| Redhat | Enterprise Linux For Power Little Endian | 7.0 |
| Redhat | Enterprise Linux For Scientific Computing | 7.0 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Workstation | 7.0 |
| Redhat | Virtualization | 4.0 |
| Redhat | Virtualization Host | 4.0 |
| Redhat | Enterprise Linux | 7.0 |
| Debian | Debian Linux | 9.0 |
Related Weaknesses (CWE)
References
- https://access.redhat.com/errata/RHBA-2019:2501Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2110Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2437Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2439Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16881Issue TrackingMitigationPatch
- https://lists.debian.org/debian-lts-announce/2022/05/msg00028.htmlMailing ListThird Party Advisory
- https://access.redhat.com/errata/RHBA-2019:2501Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2110Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2437Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2439Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16881Issue TrackingMitigationPatch
- https://lists.debian.org/debian-lts-announce/2022/05/msg00028.htmlMailing ListThird Party Advisory
FAQ
What is CVE-2018-16881?
CVE-2018-16881 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 befor...
How severe is CVE-2018-16881?
CVE-2018-16881 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-16881?
Check the references section above for vendor advisories and patch information. Affected products include: Rsyslog Rsyslog, Redhat Virtualization Manager, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux For Ibm Z Systems, Redhat Enterprise Linux For Power Big Endian.