Integer overflow in Rsyslog
CVE-2018-16881
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.
Vulnerability class: Integer Overflow
EPSS: 0.022 (80.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Rsyslog
- The Rsyslog Project Rsyslog: — versions 8.27.0
- Debian Debian_linux — versions 9.0
- Redhat Enterprise_linux — versions 7.0
- Redhat Enterprise_linux_desktop — versions 7.0
- Redhat Enterprise_linux_for_ibm_z_systems — versions 7.0
- Redhat Enterprise_linux_for_power_big_endian — versions 7.0
- Redhat Enterprise_linux_for_power_little_endian — versions 7.0
- Redhat Enterprise_linux_for_scientific_computing — versions 7.0
- Redhat Enterprise_linux_server — versions 7.0
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Patch, Third Party Advisory, Mitigation, Issue Tracking)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-16881?
- CVE-2018-16881 is a high-severity vulnerability in Rsyslog, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2019-01-25.
- How severe is CVE-2018-16881?
- High severity. CVSS v3 base score is 7.5 out of 10.