CVE-2018-1000140
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Rsyslog Librelp
PublishedMar 23, 2018
First seenMar 23, 2018
How to fix
Vendor advisories
- usn.ubuntu.com/3612-1/
- security.gentoo.org/glsa/201804-21
- access.redhat.com/errata/RHSA-2018:1703
- access.redhat.com/errata/RHSA-2018:1704
- access.redhat.com/errata/RHSA-2018:1702
- access.redhat.com/errata/RHSA-2018:1225
- access.redhat.com/errata/RHSA-2018:1707
- access.redhat.com/errata/RHSA-2018:1223
- debian.org/security/2018/dsa-4151
- access.redhat.com/errata/RHSA-2018:1701
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| rsyslog librelp | v ≤ 1.2.14 | — |
| debian debian_linux | 8.0, 9.0 | — |
| canonical ubuntu_linux | 14.04 | — |
| redhat enterprise_linux_desktop | 6.0, 7.0 | — |
| redhat enterprise_linux_server | 6.0, 7.0 | — |
| redhat enterprise_linux_server_aus | 6.6, 7.2, 7.3, 7.4, 7.6 | — |
| redhat enterprise_linux_server_eus | 6.7, 7.3, 7.4, 7.5, 7.6 | — |
| redhat enterprise_linux_server_tus | 6.6, 7.2, 7.3, 7.4, 7.6 | — |
| redhat enterprise_linux_workstation | 6.0, 7.0 | — |
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