Vulnerability 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 Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Rsyslog | Librelp | <= 1.2.14 |
| Debian | Debian Linux | 8.0 |
| Canonical | Ubuntu Linux | 14.04 |
| Redhat | Enterprise Linux Desktop | 6.0 |
| Redhat | Enterprise Linux Server | 6.0 |
| Redhat | Enterprise Linux Server Aus | 6.6 |
| Redhat | Enterprise Linux Server Eus | 6.7 |
| Redhat | Enterprise Linux Server Tus | 6.6 |
| Redhat | Enterprise Linux Workstation | 6.0 |
Related Weaknesses (CWE)
References
- http://packetstormsecurity.com/files/172829/librelp-Remote-Code-Execution.html
- https://access.redhat.com/errata/RHSA-2018:1223Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1225Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1701Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1702Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1703Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1704Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1707Third Party Advisory
- https://github.com/rsyslog/librelp/blob/532aa362f0f7a8d037505b0a27a1df452f9bac9ePatchThird Party Advisory
- https://lgtm.com/rules/1505913226124/ExploitThird Party Advisory
- https://security.gentoo.org/glsa/201804-21Third Party Advisory
- https://usn.ubuntu.com/3612-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4151Third Party Advisory
- http://packetstormsecurity.com/files/172829/librelp-Remote-Code-Execution.html
- https://access.redhat.com/errata/RHSA-2018:1223Third Party Advisory
FAQ
What is CVE-2018-1000140?
CVE-2018-1000140 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 ...
How severe is CVE-2018-1000140?
CVE-2018-1000140 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2018-1000140?
Check the references section above for vendor advisories and patch information. Affected products include: Rsyslog Librelp, Debian Debian Linux, Canonical Ubuntu Linux, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server.