crítica
CVE-2019-17455
libntlm: stack-based buffer overflow in buildSmbNtlmAuthRequest in smbutil.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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat8.1CVSS:3.1/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, CBL-Mariner. Más baja según Red Hat (media), Ubuntu (media).
Descripción
Libntlm through 1.5 relies on a fixed buffer size for tSmbNtlmAuthRequest, tSmbNtlmAuthChallenge, and tSmbNtlmAuthResponse read and write operations, as demonstrated by a stack-based buffer over-read in buildSmbNtlmAuthRequest in smbutil.c for a crafted NTLM request.
Paquetes afectados y versiones corregidas
| Fuente | Paquete | Corregido en |
|---|---|---|
| CBL-Mariner 2.0 | libntlm | 0:1.6-1.cm2 |
| debian 10 | libntlm | 1.5-1+deb10u1 |
| debian 11 | libntlm | 1.6-1 |
| debian 12 | libntlm | 1.6-1 |
| debian 13 | libntlm | 1.6-1 |
| debian 14 | libntlm | 1.6-1 |
| debian 8 | libntlm | 1.4-3+deb8u1 |
| debian 9 | libntlm | 1.4-8+deb9u1 |
| echo | libntlm | 1.6-1 |
| Red Hat | libntlm, libntlm-devel | sin corrección indicada |
| ubuntu 14.04-ESM | libntlm | 1.4-1ubuntu0.1~esm1 |
| ubuntu 16.04-ESM | libntlm | 1.4-7ubuntu0.1~esm1 |
Mostrar las 17 entradas de 16 fuentes
| Fuente | Paquete | Corregido en |
|---|---|---|
| CBL-Mariner 2.0 | libntlm | 0:1.6-1.cm2 |
| debian 10 | libntlm | 1.5-1+deb10u1 |
| debian 11 | libntlm | 1.6-1 |
| debian 12 | libntlm | 1.6-1 |
| debian 13 | libntlm | 1.6-1 |
| debian 14 | libntlm | 1.6-1 |
| debian 8 | libntlm | 1.4-3+deb8u1 |
| debian 9 | libntlm | 1.4-8+deb9u1 |
| echo | libntlm | 1.6-1 |
| Red Hat | libntlm | sin corrección indicada |
| Red Hat | libntlm-devel | sin corrección indicada |
| ubuntu 14.04-ESM | libntlm | 1.4-1ubuntu0.1~esm1 |
| ubuntu 16.04-ESM | libntlm | 1.4-7ubuntu0.1~esm1 |
| ubuntu 18.04 | libntlm | 1.4-8ubuntu0.1 |
| ubuntu 18.04-ESM | libntlm | 1.4-8ubuntu0.1 |
| ubuntu 20.04 | libntlm | 1.5-2ubuntu0.1 |
| ubuntu 20.04-ESM | libntlm | 1.5-2ubuntu0.1 |
Referencias
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00029.html
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00032.html
- https://access.redhat.com/security/cve/CVE-2019-17455
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=942145
- https://gitlab.com/jas/libntlm/issues/2
- https://lists.debian.org/debian-lts-announce/2020/05/msg00010.html
- https://lists.debian.org/debian-lts-announce/2021/11/msg00026.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3BVFO3OVJPMSGIXBKNOCVOJZ3UTGZQF5/
Las 15 referencias
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YZ5YWYNOJ5HMCKAHWLTY4MXZQWJJCBI7/
- https://nvd.nist.gov/vuln/detail/CVE-2019-17455
- https://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-17455.html
- https://security-tracker.debian.org/tracker/CVE-2019-17455
- https://ubuntu.com/security/notices/USN-5108-1
- https://ubuntu.com/security/notices/USN-5108-2
- https://www.cve.org/CVERecord?id=CVE-2019-17455