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CVE-2022-32207

Published: 27 June 2022

When curl < 7.84.0 saves cookies, alt-svc and hsts data to local files, it makes the operation atomic by finalizing the operation with a rename from a temporary name to the final target file name.In that rename operation, it might accidentally *widen* the permissions for the target file, leaving the updated file accessible to more users than intended.

Notes

AuthorNote
mdeslaur
introduced in 7.69.0

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
curl
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
focal Not vulnerable
(code not present)
impish
Released (7.74.0-1.3ubuntu2.3)
jammy
Released (7.81.0-1ubuntu1.3)
upstream
Released (7.84.0)
kinetic
Released (7.84.0-1)

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H