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Critical severity · published Mar 23, 2018
CVE-2018-1000140
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
9.8
CVSS
9.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)9.3% · higher than 95% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0; 9.0 · source: NVD
EL
Enterprise Linux Desktop · Redhat
6.0; 7.0 · source: NVD
EL
Enterprise Linux Server · Redhat
6.0; 7.0 · source: NVD
EL
Enterprise Linux Server Aus · Redhat
6.6; 7.2; 7.3; 7.4; 7.6 · source: NVD
EL
Enterprise Linux Server Eus · Redhat
6.7; 7.3; 7.4; 7.5; 7.6 · source: NVD
EL
Enterprise Linux Server Tus · Redhat
6.6; 7.2; 7.3; 7.4; 7.6 · source: NVD
EL
Enterprise Linux Workstation · Redhat
6.0; 7.0 · source: NVD
LI
Librelp · Rsyslog
through 1.2.14 · source: NVD
UL
Ubuntu Linux · Canonical
14.04 · source: NVD
Affected product
UL
Ubuntu Linux
Canonical
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-1000140
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-1000140
packetstormsecurity.com
http://packetstormsecurity.com/files/172829/librelp-Remote-Code-Execution.html
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1223
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1225
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1701
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1702
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1703
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