// For flags

CVE-2018-16881

rsyslog: imptcp: integer overflow when Octet-Counted TCP Framing is enabled

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Se ha detectado una vulnerabilidad de denegación de servicio (DoS) en rsyslog en el módulo imptcp. Un atacante podría enviar un mensaje especialmente manipulado al socket imptcp, lo que conduciría al cierre forzado de rsyslog. Las versiones anteriores a la 8.27.0 son vulnerables.

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.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2018-09-11 CVE Reserved
  • 2019-01-25 CVE Published
  • 2024-08-05 CVE Updated
  • 2024-08-20 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-190: Integer Overflow or Wraparound
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Redhat
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Virtualization
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4.0
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-
Affected
in Redhat
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Enterprise Linux
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7.0
Search vendor "Redhat" for product "Enterprise Linux" and version "7.0"
-
Safe
Redhat
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Virtualization Host
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4.0
Search vendor "Redhat" for product "Virtualization Host" and version "4.0"
-
Affected
in Redhat
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Enterprise Linux
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7.0
Search vendor "Redhat" for product "Enterprise Linux" and version "7.0"
-
Safe
Rsyslog
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Rsyslog
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< 8.27.0
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-
Affected
Redhat
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Virtualization Manager
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4.3
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-
Affected
Redhat
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Enterprise Linux Desktop
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7.0
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-
Affected
Redhat
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Enterprise Linux For Ibm Z Systems
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7.0
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-
Affected
Redhat
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Enterprise Linux For Power Big Endian
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7.0
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-
Affected
Redhat
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Enterprise Linux For Power Little Endian
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7.0
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-
Affected
Redhat
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Enterprise Linux For Scientific Computing
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7.0
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-
Affected
Redhat
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Enterprise Linux Server
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7.0
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Affected
Redhat
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Enterprise Linux Workstation
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7.0
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-
Affected
Debian
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Debian Linux
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9.0
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-
Affected