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ubuntuUbuntuUSN-3304-1
HistoryMay 30, 2017 - 12:00 a.m.

Sudo vulnerability

2017-05-3000:00:00
ubuntu.com
55

6.4 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7 High

AI Score

Confidence

High

6.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.002 Low

EPSS

Percentile

58.3%

Releases

  • Ubuntu 17.04
  • Ubuntu 16.10
  • Ubuntu 16.04 ESM
  • Ubuntu 14.04 ESM

Packages

  • sudo - Provide limited super user privileges to specific users

Details

It was discovered that Sudo did not properly parse the contents of
/proc/[pid]/stat when attempting to determine its controlling tty.
A local attacker in some configurations could possibly use this to
overwrite any file on the filesystem, bypassing intended permissions.

OSVersionArchitecturePackageVersionFilename
Ubuntu17.04noarchsudo< 1.8.19p1-1ubuntu1.1UNKNOWN
Ubuntu17.04noarchsudo-dbgsym< 1.8.19p1-1ubuntu1.1UNKNOWN
Ubuntu17.04noarchsudo-ldap< 1.8.19p1-1ubuntu1.1UNKNOWN
Ubuntu17.04noarchsudo-ldap-dbgsym< 1.8.19p1-1ubuntu1.1UNKNOWN
Ubuntu16.10noarchsudo< 1.8.16-0ubuntu3.2UNKNOWN
Ubuntu16.10noarchsudo-dbgsym< 1.8.16-0ubuntu3.2UNKNOWN
Ubuntu16.10noarchsudo-ldap< 1.8.16-0ubuntu3.2UNKNOWN
Ubuntu16.10noarchsudo-ldap-dbgsym< 1.8.16-0ubuntu3.2UNKNOWN
Ubuntu16.04noarchsudo< 1.8.16-0ubuntu1.4UNKNOWN
Ubuntu16.04noarchsudo-dbgsym< 1.8.16-0ubuntu1.4UNKNOWN
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1-10 of 161

6.4 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7 High

AI Score

Confidence

High

6.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.002 Low

EPSS

Percentile

58.3%