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ubuntucveUbuntu.comUB:CVE-2019-12779
HistoryJun 07, 2019 - 12:00 a.m.

CVE-2019-12779

2019-06-0700:00:00
ubuntu.com
ubuntu.com
10

CVSS2

6.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

7.1

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0

Percentile

5.1%

libqb before 1.0.5 allows local users to overwrite arbitrary files via a
symlink attack, because it uses predictable filenames (under /dev/shm and
/tmp) without O_EXCL.

Bugs

Notes

Author Note
mdeslaur 1.0.4 is problematic, 1.0.5 was released to fix it. mitigated by symlink restrictions, low priority
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlibqb< anyUNKNOWN
ubuntu14.04noarchlibqb< anyUNKNOWN
ubuntu16.04noarchlibqb< anyUNKNOWN

CVSS2

6.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

7.1

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0

Percentile

5.1%