CVE-2019-20044
En bref
- Source
- NVD
- EPSS
- EPSS 0.50 % · centile 42 ()
- État
- PUBLISHED
- Publiée
- Mise à jour
- Attribuée par
- mitre
- Statut NVD
- Modified
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Description
In Zsh before 5.8, attackers able to execute commands can regain privileges dropped by the --no-PRIVILEGED option. Zsh fails to overwrite the saved uid, so the original privileges can be restored by executing MODULE_PATH=/dir/with/module zmodload with a module that calls setuid().
Faiblesses (CWE)
- CWE-273 — Vérification incorrecte de l'abandon de privilèges
Références
- http://zsh.sourceforge.net/releases.html
- https://github.com/XMB5/zsh-privileged-upgrade
- https://www.zsh.org/mla/zsh-announce/141
- https://lists.debian.org/debian-lts-announce/2020/03/msg00004.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FP64FFIZI2CKQOEAOI5A72PVQULE7ZZC/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PN5V7MPHRRP7QNHOEK56S7QGRU53WUN6/
- https://security.gentoo.org/glsa/202003-55
- https://support.apple.com/kb/HT211170
- https://support.apple.com/kb/HT211175
- https://support.apple.com/kb/HT211171
- https://support.apple.com/kb/HT211168
- http://seclists.org/fulldisclosure/2020/May/49
- http://seclists.org/fulldisclosure/2020/May/55
- http://seclists.org/fulldisclosure/2020/May/53
- http://seclists.org/fulldisclosure/2020/May/59
- https://support.apple.com/HT211168
- https://support.apple.com/HT211170
- https://support.apple.com/HT211171
- https://support.apple.com/HT211175
- https://lists.debian.org/debian-lts-announce/2020/12/msg00000.html
Scores
| Version | Score | Vecteur | Évalué par |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | HIGH 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C | NVD · nvd@nist.gov (Primary) |
Références européennes
- ENISA EUVD · EUVD-2019-10600
- GCVE · GCVE-0-2019-20044
Avis du CERT-FR
- CERTFR-2020-AVI-321 — Multiples vulnérabilités dans les produits Apple · cert.ssi.gouv.fr
Configurations affectées (CPE NVD)
cpe:2.3:a:zsh:zsh:*:*:*:*:*:*:*:*< 5.8cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*< 13.5cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*< 13.5cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*< 10.15.5cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*≥ 10.13.0 < 10.13.6cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*≥ 10.14.0 < 10.14.6cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*≥ 10.15 < 10.15.5cpe:2.3:o:apple:mac_os_x:10.13.6:-:*:*:*:*:*:*cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2018-002:*:*:*:*:*:*cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2018-003:*:*:*:*:*:*cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-001:*:*:*:*:*:*cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-002:*:*:*:*:*:*cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-003:*:*:*:*:*:*cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-004:*:*:*:*:*:*cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-005:*:*:*:*:*:*cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-006:*:*:*:*:*:*cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-007:*:*:*:*:*:*cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2020-001:*:*:*:*:*:*cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2020-002:*:*:*:*:*:*cpe:2.3:o:apple:mac_os_x:10.14.6:-:*:*:*:*:*:*cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-001:*:*:*:*:*:*cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-002:*:*:*:*:*:*cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-004:*:*:*:*:*:*cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-005:*:*:*:*:*:*cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-006:*:*:*:*:*:*cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-007:*:*:*:*:*:*cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001:*:*:*:*:*:*cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002:*:*:*:*:*:*cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*< 13.4.5cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*< 6.2.5
Produits affectés
| Produit | Versions |
|---|---|
| affected n/a |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |