National Vulnerability Database

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    Vulnerabilities Detail

CVE-2018-1000140 Detail

Current Description

rsyslog librelp version 1.2.14 and earlier contains a Buffer Overflow vulnerability in the checking of x509 certificates from a peer that can result in Remote code execution. This attack appear to be exploitable a remote attacker that can connect to rsyslog and trigger a stack buffer overflow by sending a specially crafted x509 certificate.

Source:  MITRE
Description Last Modified:  03/23/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 9.8 CRITICAL
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 3.9

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 10.0

Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://access.redhat.com/errata/RHSA-2018:1223
https://access.redhat.com/errata/RHSA-2018:1225
https://access.redhat.com/errata/RHSA-2018:1701
https://access.redhat.com/errata/RHSA-2018:1702
https://access.redhat.com/errata/RHSA-2018:1703
https://access.redhat.com/errata/RHSA-2018:1704
https://access.redhat.com/errata/RHSA-2018:1707
https://github.com/rsyslog/librelp/blob/532aa362f0f7a8d037505b0a27a1df452f9bac9e/src/tcp.c#L1205 Third Party Advisory
https://lgtm.com/rules/1505913226124/ Issue Tracking Third Party Advisory
https://security.gentoo.org/glsa/201804-21
https://usn.ubuntu.com/3612-1/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4151 Third Party Advisory

Technical Details

Vulnerability Type (View All)

Change History

6 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-1000140
NVD Published Date:
03/23/2018
NVD Last Modified:
10/21/2018