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CanonicalCVE-2017-14178

HistoryFeb 02, 2018 - 2:29 p.m.

CVE-2017-14178

2018-02-0214:29:00

CWE-755

canonical

web.nvd.nist.gov

snapd

cve-2017-14178

access restrictions

unprivileged users

systemd-journald

nvd

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

EPSS

0.002

Percentile

57.4%

JSON

In snapd 2.27 through 2.29.2 the ‘snap logs’ command could be made to call journalctl without match arguments and therefore allow unprivileged, unauthenticated users to bypass systemd-journald’s access restrictions.

Affected configurations

Nvd

Node

snapcraftsnapdRange2.27–2.29.2

VendorProductVersionCPE
snapcraftsnapd*cpe:2.3:a:snapcraft:snapd:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
snapcraft	snapd	*	cpe:2.3:a:snapcraft:snapd::::::::

CNA Affected

[
  {
    "product": "snapd",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "2.27 through 2.29.2"
      }
    ]
  }
]

References

github.com/snapcore/snapd/pull/4194

launchpad.net/bugs/1730255

people.canonical.com/~ubuntu-security/cve/2017/CVE-2017-14178.html

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

EPSS

0.002

Percentile

57.4%

JSON

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