9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.7 High
AI Score
Confidence
High
7.5 High
CVSS2
Access Vector
Access Complexity
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.39 Low
EPSS
Percentile
97.2%
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.
CPE | Name | Operator | Version |
---|---|---|---|
rsyslog:librelp | rsyslog librelp | le | 1.2.14 |
packetstormsecurity.com/files/172829/librelp-Remote-Code-Execution.html
access.redhat.com/errata/RHSA-2018:1223
access.redhat.com/errata/RHSA-2018:1225
access.redhat.com/errata/RHSA-2018:1701
access.redhat.com/errata/RHSA-2018:1702
access.redhat.com/errata/RHSA-2018:1703
access.redhat.com/errata/RHSA-2018:1704
access.redhat.com/errata/RHSA-2018:1707
github.com/rsyslog/librelp/blob/532aa362f0f7a8d037505b0a27a1df452f9bac9e/src/tcp.c#L1205
lgtm.com/rules/1505913226124/
security.gentoo.org/glsa/201804-21
usn.ubuntu.com/3612-1/
www.debian.org/security/2018/dsa-4151
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.7 High
AI Score
Confidence
High
7.5 High
CVSS2
Access Vector
Access Complexity
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.39 Low
EPSS
Percentile
97.2%