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Vulnerabilidades / CVE-2017-15118

crítica

CVE-2017-15118

Qemu: stack buffer overflow in NBD server triggered via long export name

Publicada Modificada CWE 121, 787
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 Hat8.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L

La etiqueta propia de Trivy es CRITICAL. Crítica según NVD. Más baja según Red Hat (alta), Ubuntu (media).

Descripción

A stack-based buffer overflow vulnerability was found in NBD server implementation in qemu before 2.11 allowing a client to request an export name of size up to 4096 bytes, which in fact should be limited to 256 bytes, causing an out-of-bounds stack write in the qemu process. If NBD server requires TLS, the attacker cannot trigger the buffer overflow without first successfully negotiating TLS.

Paquetes afectados y versiones corregidas

FuentePaqueteCorregido en
debian 11qemu1:2.11+dfsg-1
debian 12qemu1:2.11+dfsg-1
debian 13qemu1:2.11+dfsg-1
debian 14qemu1:2.11+dfsg-1
echoqemu1:2.11+dfsg-1
Red Hatqemu-img-ma, qemu-kvm-common-ma, qemu-kvm-ma y 1 mássin corrección indicada
ubuntu 17.10qemu1:2.10+dfsg-0ubuntu3.5
Mostrar las 10 entradas de 7 fuentes
FuentePaqueteCorregido en
debian 11qemu1:2.11+dfsg-1
debian 12qemu1:2.11+dfsg-1
debian 13qemu1:2.11+dfsg-1
debian 14qemu1:2.11+dfsg-1
echoqemu1:2.11+dfsg-1
Red Hatqemu-img-masin corrección indicada
Red Hatqemu-kvm-common-masin corrección indicada
Red Hatqemu-kvm-masin corrección indicada
Red Hatqemu-kvm-tools-masin corrección indicada
ubuntu 17.10qemu1:2.10+dfsg-0ubuntu3.5

Referencias

Las 11 referencias

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.