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ubuntuUbuntuUSN-3713-1
HistoryJul 11, 2018 - 12:00 a.m.

CUPS vulnerabilities

2018-07-1100:00:00
ubuntu.com
63

8.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.5 High

AI Score

Confidence

High

4.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

NONE

Availability Impact

NONE

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

0.016 Low

EPSS

Percentile

87.3%

Releases

  • Ubuntu 18.04 ESM
  • Ubuntu 17.10
  • Ubuntu 16.04 ESM
  • Ubuntu 14.04 ESM

Packages

  • cups - Common UNIX Printing System™

Details

It was discovered that CUPS incorrectly handled certain print jobs with
invalid usernames. A remote attacker could possibly use this issue to cause
CUPS to crash, resulting in a denial of service. This issue only affected
Ubuntu 14.04 LTS, Ubuntu 17.10 and Ubuntu 18.04 LTS. (CVE-2017-18248)

Dan Bastone discovered that the CUPS dnssd backend incorrectly handled
certain environment variables. A local attacker could possibly use this
issue to escalate privileges. (CVE-2018-4180)

Eric Rafaloff and John Dunlap discovered that CUPS incorrectly handled
certain include directives. A local attacker could possibly use this issue
to read arbitrary files. (CVE-2018-4181)

Dan Bastone discovered that the CUPS AppArmor profile incorrectly confined
the dnssd backend. A local attacker could possibly use this issue to escape
confinement. (CVE-2018-6553)

Rows per page:
1-10 of 1261

8.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.5 High

AI Score

Confidence

High

4.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

NONE

Availability Impact

NONE

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

0.016 Low

EPSS

Percentile

87.3%