crítica
CVE-2018-1000140
librelp: Stack-based buffer overflow in relpTcpChkPeerName function in src/tcp.c
En la Trivy database desde, como mínimo, el 24 oct 2026, 07:11 UTCNo consta cuándo entró antes de ese build.
Severidad por fuente
NVD9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat8.1CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
La etiqueta propia de Trivy es CRITICAL. Crítica según NVD, Red Hat, Amazon, Oracle, Photon OS. Más baja según Ubuntu (media).
Descripción
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.
Paquetes afectados y versiones corregidas
| Fuente | Paquete | Corregido en |
|---|---|---|
| amazon linux 2 | librelp, librelp-debuginfo, librelp-devel | 1.2.12-1.amzn2.0.1 |
| Oracle Linux 6 | librelp, librelp-devel | 1.2.7-3.el6_9.1 |
| Oracle Linux 7 | librelp, librelp-devel | 1.2.12-1.el7_5.1 |
| Photon OS 1.0 | librelp | 1.2.9-3.ph1 |
| Photon OS 2.0 | librelp | 1.2.13-2.ph2 |
| debian 11 | librelp | 1.2.15-1 |
| debian 12 | librelp | 1.2.15-1 |
| debian 13 | librelp | 1.2.15-1 |
| debian 14 | librelp | 1.2.15-1 |
| debian 8 | librelp | 1.2.7-2+deb8u1 |
| debian 9 | librelp | 1.2.12-1+deb9u1 |
| echo | librelp | 1.2.15-1 |
Mostrar las 20 entradas de 16 fuentes
| Fuente | Paquete | Corregido en |
|---|---|---|
| amazon linux 2 | librelp | 1.2.12-1.amzn2.0.1 |
| amazon linux 2 | librelp-debuginfo | 1.2.12-1.amzn2.0.1 |
| amazon linux 2 | librelp-devel | 1.2.12-1.amzn2.0.1 |
| Oracle Linux 6 | librelp | 1.2.7-3.el6_9.1 |
| Oracle Linux 6 | librelp-devel | 1.2.7-3.el6_9.1 |
| Oracle Linux 7 | librelp | 1.2.12-1.el7_5.1 |
| Oracle Linux 7 | librelp-devel | 1.2.12-1.el7_5.1 |
| Photon OS 1.0 | librelp | 1.2.9-3.ph1 |
| Photon OS 2.0 | librelp | 1.2.13-2.ph2 |
| debian 11 | librelp | 1.2.15-1 |
| debian 12 | librelp | 1.2.15-1 |
| debian 13 | librelp | 1.2.15-1 |
| debian 14 | librelp | 1.2.15-1 |
| debian 8 | librelp | 1.2.7-2+deb8u1 |
| debian 9 | librelp | 1.2.12-1+deb9u1 |
| echo | librelp | 1.2.15-1 |
| ubuntu 14.04 | librelp | 1.2.2-2ubuntu1.1 |
| ubuntu 14.04-ESM | librelp | 1.2.2-2ubuntu1.1 |
| ubuntu 16.04-ESM | librelp | 1.2.9-1ubuntu0.1~esm1 |
| ubuntu 18.04-ESM | librelp | 1.2.14-3ubuntu0.1~esm1 |
Referencias
- http://packetstormsecurity.com/files/172829/librelp-Remote-Code-Execution.html
- 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
Las 21 referencias
- https://access.redhat.com/security/cve/CVE-2018-1000140
- https://github.com/rsyslog/librelp/blob/532aa362f0f7a8d037505b0a27a1df452f9bac9e/src/tcp.c#L1205
- https://lgtm.com/rules/1505913226124/
- https://linux.oracle.com/cve/CVE-2018-1000140.html
- https://linux.oracle.com/errata/ELSA-2018-1225.html
- https://nvd.nist.gov/vuln/detail/CVE-2018-1000140
- https://security.gentoo.org/glsa/201804-21
- https://ubuntu.com/security/notices/USN-3612-1
- https://ubuntu.com/security/notices/USN-4828-1
- https://usn.ubuntu.com/3612-1/
- https://www.cve.org/CVERecord?id=CVE-2018-1000140
- https://www.debian.org/security/2018/dsa-4151
- https://www.rsyslog.com/cve-2018-1000140/