CVE-2021-3156
En bref
- Sévérité
- HIGH 7.8
- Exploitation
- Exploitation connue (CISA KEV) · ajoutée le 2022-04-06
Exploitée selon l'ENISA depuis le 2022-04-06 - EPSS
- EPSS 99.96 % · centile 100 (2026-10-27)
- État
- PUBLISHED
- Publiée
- Mise à jour
- Attribuée par
- mitre
- Statut NVD
- Analyzed
Description
Sudo before 1.9.5p2 contains an off-by-one error that can result in a heap-based buffer overflow, which allows privilege escalation to root via "sudoedit -s" and a command-line argument that ends with a single backslash character.
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 | CISA-ADP |
| 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 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 · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary) |
| CVSS 2.0 | HIGH 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C | NVD · nvd@nist.gov (Primary) |
Faiblesses (CWE)
Références européennes
- ENISA EUVD · EUVD-2021-26500
- GCVE · GCVE-0-2021-3156
Avis du CERT-FR
- CERTFR-2024-AVI-0508 — Multiples vulnérabilités dans les produits Moxa · cert.ssi.gouv.fr
- CERTFR-2023-AVI-0504 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
- CERTFR-2023-AVI-0051 — Multiples vulnérabilités dans les produits Juniper · cert.ssi.gouv.fr
- CERTFR-2022-AVI-425 — Multiples vulnérabilités dans IBM Spectrum Protect Plus · cert.ssi.gouv.fr
- CERTFR-2022-AVI-351 — Multiples vulnérabilités dans les logiciels Juniper · cert.ssi.gouv.fr
- CERTFR-2022-AVI-267 — Multiples vulnérabilités dans Juniper Networks Junos Space · cert.ssi.gouv.fr
- CERTFR-2022-AVI-239 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
- CERTFR-2022-AVI-092 — Multiples vulnérabilités dans IBM Spectrum Protect Plus · cert.ssi.gouv.fr
- CERTFR-2021-AVI-700 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
- CERTFR-2021-AVI-637 — Multiples vulnérabilités dans Aruba AirWave Management Platform · cert.ssi.gouv.fr
- CERTFR-2021-AVI-597 — Vulnérabilité dans Aruba ALE · cert.ssi.gouv.fr
- CERTFR-2021-AVI-589 — Multiples vulnérabilités dans Juniper Junos Space Log Collector · cert.ssi.gouv.fr
- CERTFR-2021-AVI-496 — Multiples vulnérabilités dans Aruba ClearPass Policy Manager · cert.ssi.gouv.fr
- CERTFR-2021-AVI-127 — Vulnérabilité dans les produits Moxa · cert.ssi.gouv.fr
- CERTFR-2021-AVI-108 — Vulnérabilité dans les produits Cisco · cert.ssi.gouv.fr
- CERTFR-2021-AVI-098 — Multiples vulnérabilités dans Apple macOS · cert.ssi.gouv.fr
- CERTFR-2021-AVI-063 — Vulnérabilité dans Sudo · cert.ssi.gouv.fr
Configurations affectées (CPE NVD)
cpe:2.3:a:sudo_project:sudo:*:*:*:*:*:*:*:*≥ 1.8.2 < 1.8.32cpe:2.3:a:sudo_project:sudo:*:*:*:*:*:*:*:*≥ 1.9.0 < 1.9.5cpe:2.3:a:sudo_project:sudo:1.9.5:-:*:*:*:*:*:*cpe:2.3:a:sudo_project:sudo:1.9.5:patch1:*:*:*:*:*:*cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*cpe:2.3:a:netapp:oncommand_unified_manager_core_package:-:*:*:*:*:*:*:*cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*cpe:2.3:a:netapp:ontap_tools:9:*:*:*:*:vmware_vsphere:*:*cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*cpe:2.3:a:mcafee:web_gateway:8.2.17:*:*:*:*:*:*:*cpe:2.3:a:mcafee:web_gateway:9.2.8:*:*:*:*:*:*:*cpe:2.3:a:mcafee:web_gateway:10.0.4:*:*:*:*:*:*:*cpe:2.3:a:synology:diskstation_manager_unified_controller:3.0:*:*:*:*:*:*:*cpe:2.3:o:synology:diskstation_manager:6.2:*:*:*:*:*:*:*cpe:2.3:o:synology:skynas_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:synology:vs960hd_firmware:-:*:*:*:*:*:*:*cpe:2.3:a:beyondtrust:privilege_management_for_mac:*:*:*:*:*:*:*:*< 21.1.1cpe:2.3:a:beyondtrust:privilege_management_for_unix\/linux:*:*:*:*:basic:*:*:*< 10.3.2-10cpe:2.3:o:oracle:micros_compact_workstation_3_firmware:310:*:*:*:*:*:*:*cpe:2.3:o:oracle:micros_es400_firmware:*:*:*:*:*:*:*:*≥ 400 ≤ 410cpe:2.3:o:oracle:micros_kitchen_display_system_firmware:210:*:*:*:*:*:*:*cpe:2.3:o:oracle:micros_workstation_5a_firmware:5a:*:*:*:*:*:*:*cpe:2.3:o:oracle:micros_workstation_6_firmware:*:*:*:*:*:*:*:*≥ 610 ≤ 655cpe:2.3:a:oracle:communications_performance_intelligence_center:*:*:*:*:*:*:*:*≥ 10.3.0.0.0 ≤ 10.3.0.2.1cpe:2.3:a:oracle:communications_performance_intelligence_center:*:*:*:*:*:*:*:*≥ 10.4.0.1.0 ≤ 10.4.0.3.1cpe:2.3:a:oracle:tekelec_platform_distribution:*:*:*:*:*:*:*:*≥ 7.4.0 ≤ 7.7.1
Produits affectés
| Produit | Versions |
|---|---|
| affected n/a |
Références
- https://lists.debian.org/debian-lts-announce/2021/01/msg00022.html
- http://seclists.org/fulldisclosure/2021/Jan/79
- http://www.openwall.com/lists/oss-security/2021/01/26/3
- https://security.gentoo.org/glsa/202101-33
- https://www.debian.org/security/2021/dsa-4839
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LHXK6ICO5AYLGFK2TAX5MZKUXTUKWOJY/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CALA5FTXIQBRRYUA2ZQNJXB6OQMAXEII/
- http://www.openwall.com/lists/oss-security/2021/01/27/1
- http://www.openwall.com/lists/oss-security/2021/01/27/2
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sudo-privesc-jan2021-qnYQfcM
- https://www.kb.cert.org/vuls/id/794544
- http://seclists.org/fulldisclosure/2021/Feb/42
- http://www.openwall.com/lists/oss-security/2021/02/15/1
- https://www.oracle.com//security-alerts/cpujul2021.html
- https://www.sudo.ws/stable.html#1.9.5p2
- https://www.openwall.com/lists/oss-security/2021/01/26/3
- http://packetstormsecurity.com/files/161160/Sudo-Heap-Based-Buffer-Overflow.html
- https://security.netapp.com/advisory/ntap-20210128-0002/
- https://security.netapp.com/advisory/ntap-20210128-0001/
- http://packetstormsecurity.com/files/161230/Sudo-Buffer-Overflow-Privilege-Escalation.html
- http://packetstormsecurity.com/files/161270/Sudo-1.9.5p1-Buffer-Overflow-Privilege-Escalation.html
- http://packetstormsecurity.com/files/161293/Sudo-1.8.31p2-1.9.5p1-Buffer-Overflow.html
- https://support.apple.com/kb/HT212177
- https://kc.mcafee.com/corporate/index?page=content&id=SB10348
- https://www.beyondtrust.com/blog/entry/security-advisory-privilege-management-for-unix-linux-pmul-basic-and-privilege-management-for-mac-pmm-affected-by-sudo-vulnerability
- https://www.synology.com/security/advisory/Synology_SA_21_02
- http://www.openwall.com/lists/oss-security/2021/09/14/2
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://www.oracle.com/security-alerts/cpuapr2022.html
- http://www.openwall.com/lists/oss-security/2024/01/30/8
- http://www.openwall.com/lists/oss-security/2024/01/30/6
- http://packetstormsecurity.com/files/176932/glibc-syslog-Heap-Based-Buffer-Overflow.html
- http://seclists.org/fulldisclosure/2024/Feb/3
- https://www.vicarius.io/vsociety/posts/sudoedit-pwned-cve-2021-3156
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-3156
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| CISA Known Exploited Vulnerabilities | CC0 1.0 |
| 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 |