7.5Alta KEV

CVE-2020-36193PEAR Archive_Tar Improper Link Resolution Vulnerability

php archive tar; fedoraproject fedora; debian debian linux; drupal drupal Publicada: 2021-01-18 22:24 (hace 5 años)

Explotación conocida — PEAR Archive_Tar Improper Link Resolution Vulnerability

CISA confirmó el 25.08.2022 que esta vulnerabilidad se usa en ataques reales. Plazo para las agencias federales de EE. UU.: 15.09.2022.

Acción requerida: Apply updates per vendor instructions. https://github.com/pear/Archive_Tar/commit/cde460582ff389404b5b3ccb59374e9b389de916, https://www.drupal.org/sa-core-2021-001, https://access.redhat.com/security/cve/cve-2020-36193; https://nvd.nist.gov/vuln/detail/CVE-2020-36193

Descripción

Tar.php in Archive_Tar through 1.4.11 allows write operations with Directory Traversal due to inadequate checking of symbolic links, a related issue to CVE-2020-28948.

Debilidad (CWE): CWE-59 CWE-22

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

Fabricante	Producto	Versiones
debian	debian linux	9.0
drupal	drupal	7.0 – < 7.78
fedoraproject	fedora	32
php	archive tar	≤ 1.4.11

Referencias y parches

https://github.com/pear/Archive_Tar/commit/cde460582ff389404b5b3ccb59374e9b389de916 Patch
https://www.drupal.org/sa-core-2021-001 Third Party Advisory
[debian-lts-announce] 20210121 [SECURITY] [DLA-2530-1] drupal7 security update mailing-listMailing ListThird Party Advisory
GLSA-202101-23 vendor-advisoryThird Party Advisory
FEDORA-2021-02996612f6 vendor-advisoryBroken Link
FEDORA-2021-dc7de65eed vendor-advisoryBroken Link
[debian-lts-announce] 20210408 [SECURITY] [DLA 2621-1] php-pear security update mailing-listMailing ListThird Party Advisory
DSA-4894 vendor-advisoryThird Party Advisory
FEDORA-2021-8093e197f4 vendor-advisoryBroken Link
FEDORA-2021-0c013f520c vendor-advisoryBroken Link
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-36193 US Government Resource

Coincidencias CPE (NVD) (11)

cpe:2.3:a:php:archive_tar:*:*:*:*:*:*:*:* ≤ 1.4.11
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:* ≥ 7.0 < 7.78
cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:* ≥ 8.9.0 < 8.9.13
cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:* ≥ 9.0.0 < 9.0.11
cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:* ≥ 9.1.0 < 9.1.3

Puntuación CVSS

7.5Alta

Fuente: CISA-ADP · CVSS 3.1

Vector de ataque: Red
Complejidad: Baja
Privilegios: Ninguno
Interacción del usuario: Ninguna
Alcance: Sin cambio
Confidencialidad: Ninguno
Integridad: Alto
Disponibilidad: Ninguno

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Todas las puntuaciones (4)

CISA-ADP	CVSS 3.1	7.5Alta
nvd	CVSS 3.1	7.5Alta
134c704f-9b21-4f2e-91b3-4a467353bcc0	CVSS 3.1	7.5Alta
nvd	CVSS 2.0	5.0Media

EPSS (probabilidad de explotación en 30 días)

70.59%

superior al 99 % de todas las CVE

Evaluación de CISA (SSVC)

Explotación: active
Automatizable: yes
Impacto técnico: partial

Cronología

ID reservado2021-01-18
Publicada2021-01-18 22:24
Llegó a IP-DB2026-10-24 23:32
Añadida a KEV2022-08-25
Última actualización2026-06-17 06:14

Asignada por (CNA): mitre
Estado en NVD: Analyzed

Ver en la fuente: CVE.org · NVD

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