Vulnerability Monitor

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CVE-2021-23240

selinux_edit_copy_tfiles in sudoedit in Sudo before 1.9.5 allows a local unprivileged user to gain file ownership and escalate privileges by replacing a temporary file with a symlink to an arbitrary file target. This affects SELinux RBAC support in permissive mode. Machines without SELinux are not vulnerable.

Published

2021-01-12T09:15:14.107

Last Modified

2024-11-21T05:51:25.970

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

CVSSv2 Vector

AV:L/AC:M/Au:N/C:P/I:P/A:P

  • Access Vector: LOCAL
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

3.4

Impact Score

6.4

Weaknesses
  • Type: Primary
    CWE-59
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application sudo_project sudo < 1.8.32 Yes
Application sudo_project sudo < 1.9.5 Yes
Application netapp hci_management_node - Yes
Application netapp solidfire - Yes
Operating System fedoraproject fedora 32 Yes
Operating System fedoraproject fedora 33 Yes
References