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.
CVSS Metrics
- Vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- local
- Complexity
- low
- Privileges
- low
- User Action
- none
- Scope
- unchanged
- Confidentiality
- high
- Integrity
- high
- Availability
- high
- Weaknesses
- CWE-193CWE-193
Metadata
- Primary Vendor
- SUDO_PROJECT
- Published
- 1/26/2021
- Last Modified
- 11/10/2025
- Source
- NIST NVD
- Note: Verify all details with official vendor sources before applying patches.
Affected Products
sudo_project : sudosudo_project : sudosudo_project : sudosudo_project : sudofedoraproject : fedorafedoraproject : fedoradebian : debian_linuxdebian : debian_linuxnetapp : active_iq_unified_managernetapp : cloud_backupnetapp : hci_management_nodenetapp : oncommand_unified_manager_core_packagenetapp : ontap_select_deploy_administration_utilitynetapp : ontap_toolsnetapp : solidfiremcafee : web_gatewaymcafee : web_gatewaymcafee : web_gatewaysynology : diskstation_manager_unified_controllersynology : diskstation_managersynology : skynas_firmwaresynology : vs960hd_firmwarebeyondtrust : privilege_management_for_macbeyondtrust : privilege_management_for_unix\/linuxoracle : micros_compact_workstation_3_firmwareoracle : micros_es400_firmwareoracle : micros_kitchen_display_system_firmwareoracle : micros_workstation_5a_firmwareoracle : micros_workstation_6_firmwareoracle : communications_performance_intelligence_centeroracle : communications_performance_intelligence_centeroracle : tekelec_platform_distribution
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