CVE-2019-12779

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.

CVSS v3.0

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

CVSS v2.0

6.6 MEDIUMAV:L/AC:L/Au:N/C:N/I:C/A:C

EPSS

0.66% chance of exploitation in the next 30 days, 49th percentile

Published

2019-06-07

Updated

2024-08-04

Proof-of-concept exploits (1)

• ClusterLabs/libqb/issues/338

References

• CVE Record
• NVD entry

Related

• CVE-2013-0281
• CVE-2019-12771
• CVE-2019-12780
• CVE-2019-12765
• CVE-2019-12786
• CVE-2019-12761