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CVE-2011-3145

Publication date 23 August 2011

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

When mount.ecrpytfs_private before version 87-0ubuntu1.2 calls setreuid() it doesn't also set the effective group id. So when it creates the new version, mtab.tmp, it's created with the group id of the user running mount.ecryptfs_private.

Status

Package Ubuntu Release Status
ecryptfs-utils 11.04 natty
Fixed 87-0ubuntu1.2
10.10 maverick
Fixed 83-0ubuntu3.2.10.10.2
10.04 LTS lucid
Fixed 83-0ubuntu3.2.10.04.2
8.04 LTS hardy
Not affected

Severity score breakdown

Parameter Value
Base score 9.8 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-1196-1
    • eCryptfs vulnerability
    • 23 August 2011

Other references