crítica
CVE-2019-3862
libssh2: Out-of-bounds memory comparison with specially crafted message channel request
En la Trivy database desde, como mínimo, el 24 oct 2026, 07:11 UTCNo consta cuándo entró antes de ese build.
Severidad por fuente
NVD9.1CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Red Hat7.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
La etiqueta propia de Trivy es CRITICAL. Crítica según NVD, Photon OS. Más baja según Oracle (alta), Red Hat (media), Amazon (media), Ubuntu (media).
Descripción
An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the way SSH_MSG_CHANNEL_REQUEST packets with an exit status message and no payload are parsed. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.
Paquetes afectados y versiones corregidas
| Fuente | Paquete | Corregido en |
|---|---|---|
| Photon OS 1.0 | libssh2 | 1.8.2-1.ph1 |
| Photon OS 2.0 | libssh2 | 1.8.2-1.ph2 |
| Photon OS 3.0 | libssh2 | 1.8.2-1.ph3 |
| alpine 3.10 | libssh2 | 1.8.1-r0 |
| alpine 3.11 | libssh2 | 1.8.1-r0 |
| alpine 3.12 | libssh2 | 1.8.1-r0 |
| alpine 3.13 | libssh2 | 1.8.1-r0 |
| alpine 3.14 | libssh2 | 1.8.1-r0 |
| alpine 3.15 | libssh2 | 1.8.1-r0 |
| alpine 3.16 | libssh2 | 1.8.1-r0 |
| alpine 3.17 | libssh2 | 1.8.1-r0 |
| alpine 3.18 | libssh2 | 1.8.1-r0 |
Mostrar las 52 entradas de 37 fuentes
| Fuente | Paquete | Corregido en |
|---|---|---|
| Photon OS 1.0 | libssh2 | 1.8.2-1.ph1 |
| Photon OS 2.0 | libssh2 | 1.8.2-1.ph2 |
| Photon OS 3.0 | libssh2 | 1.8.2-1.ph3 |
| alpine 3.10 | libssh2 | 1.8.1-r0 |
| alpine 3.11 | libssh2 | 1.8.1-r0 |
| alpine 3.12 | libssh2 | 1.8.1-r0 |
| alpine 3.13 | libssh2 | 1.8.1-r0 |
| alpine 3.14 | libssh2 | 1.8.1-r0 |
| alpine 3.15 | libssh2 | 1.8.1-r0 |
| alpine 3.16 | libssh2 | 1.8.1-r0 |
| alpine 3.17 | libssh2 | 1.8.1-r0 |
| alpine 3.18 | libssh2 | 1.8.1-r0 |
| alpine 3.19 | libssh2 | 1.8.1-r0 |
| alpine 3.20 | libssh2 | 1.8.1-r0 |
| alpine 3.21 | libssh2 | 1.8.1-r0 |
| alpine 3.22 | libssh2 | 1.8.1-r0 |
| alpine 3.23 | libssh2 | 1.8.1-r0 |
| alpine 3.24 | libssh2 | 1.8.1-r0 |
| alpine 3.9 | libssh2 | 1.8.1-r0 |
| alpine edge | libssh2 | 1.8.1-r0 |
| amazon linux 2 | libssh2 | 1.4.3-12.amzn2.2.2 |
| amazon linux 2 | libssh2-debuginfo | 1.4.3-12.amzn2.2.2 |
| amazon linux 2 | libssh2-devel | 1.4.3-12.amzn2.2.2 |
| amazon linux 2 | libssh2-docs | 1.4.3-12.amzn2.2.2 |
| debian 11 | libssh2 | 1.8.0-2.1 |
| debian 12 | libssh2 | 1.8.0-2.1 |
| debian 13 | libssh2 | 1.8.0-2.1 |
| debian 14 | libssh2 | 1.8.0-2.1 |
| debian 8 | libssh2 | 1.4.3-4.1+deb8u2 |
| debian 9 | libssh2 | 1.7.0-1+deb9u1 |
| echo | libssh2 | 1.8.0-2.1 |
| Oracle Linux 6 | libssh2 | 1.4.2-2.0.1.el6_7.1 |
| Oracle Linux 6 | libssh2-devel | 1.4.2-2.0.1.el6_7.1 |
| Oracle Linux 6 | libssh2-docs | 1.4.2-2.0.1.el6_7.1 |
| Oracle Linux 7 | libssh2 | 1.4.3-12.0.1.el7_6.3 |
| Oracle Linux 7 | libssh2-devel | 1.4.3-12.0.1.el7_6.3 |
| Oracle Linux 7 | libssh2-docs | 1.4.3-12.0.1.el7_6.3 |
| Red Hat | libssh2 | sin corrección indicada |
| Red Hat | libssh2-devel | sin corrección indicada |
| Red Hat | libssh2-docs | sin corrección indicada |
| Red Hat | redhat-virtualization-host-image-update | sin corrección indicada |
| Red Hat | rhvm-appliance | sin corrección indicada |
| Red Hat | virt:8.0.0::libssh2 | sin corrección indicada |
| Red Hat | virt:8.0.0::libssh2-devel | sin corrección indicada |
| Red Hat | virt:8.0.0::libssh2-docs | sin corrección indicada |
| root.io debian 12 | rootio-libssh2 | 1.8.0-2.1 |
| root.io debian 13 | rootio-libssh2 | 1.8.0-2.1 |
| seal Red Hat 7 | libssh2 | 1.8.0-4.el7_9.1+sp999 |
| seal Red Hat 7 | seal-libssh2 | 1.8.0-4.el7_9.1+sp999 |
| ubuntu 14.04-ESM | libssh2 | 1.4.3-2ubuntu0.2+esm2 |
| ubuntu 16.04-ESM | libssh2 | 1.5.0-2ubuntu0.1+esm1 |
| ubuntu 18.04-ESM | libssh2 | sin corrección indicada |
Referencias
- http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html
- http://packetstormsecurity.com/files/152136/Slackware-Security-Advisory-libssh2-Updates.html
- http://www.openwall.com/lists/oss-security/2019/03/18/3
- http://www.securityfocus.com/bid/107485
- https://access.redhat.com/errata/RHSA-2019:1884
- https://access.redhat.com/security/cve/CVE-2019-3862
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3862
Las 27 referencias
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
- https://github.com/libssh2/libssh2/pull/316
- https://libssh2.org/CVE-2019-3862.html
- https://linux.oracle.com/cve/CVE-2019-3862.html
- https://linux.oracle.com/errata/ELSA-2019-4693.html
- https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XCWEA5ZCLKRDUK62QVVYMFWLWKOPX3LO/
- https://nvd.nist.gov/vuln/detail/CVE-2019-3862
- https://seclists.org/bugtraq/2019/Apr/25
- https://seclists.org/bugtraq/2019/Mar/25
- https://security.netapp.com/advisory/ntap-20190327-0005/
- https://ubuntu.com/security/notices/USN-5308-1
- https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2019-767
- https://www.cve.org/CVERecord?id=CVE-2019-3862
- https://www.debian.org/security/2019/dsa-4431
- https://www.libssh2.org/CVE-2019-3862.html
- https://www.oracle.com/security-alerts/cpujan2020.html
- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html