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cveMitreCVE-2011-3145
HistoryApr 22, 2019 - 4:29 p.m.

CVE-2011-3145

2019-04-2216:29:00
CWE-254
mitre
web.nvd.nist.gov
44
cve
2011
3145
mount
ecryptfs
privilege escalation
nvd

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.2

Confidence

High

EPSS

0.002

Percentile

59.9%

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.

Affected configurations

Nvd
Node
mount.ecrpytfs_private_projectmount.ecrpytfs_privateMatch-
VendorProductVersionCPE
mount.ecrpytfs_private_projectmount.ecrpytfs_private-cpe:/a:mount.ecrpytfs_private_project:mount.ecrpytfs_private:-:::

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.2

Confidence

High

EPSS

0.002

Percentile

59.9%