Detections
Analytics

CVE-2019-12779

high

Description

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.

References

https://security.gentoo.org/glsa/202107-03

https://github.com/ClusterLabs/libqb/releases/tag/v1.0.5

https://github.com/ClusterLabs/libqb/releases/tag/v1.0.4

https://access.redhat.com/errata/RHSA-2019:3610

http://www.securityfocus.com/bid/108691

http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00031.html

http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00027.html

http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00017.html

https://github.com/ClusterLabs/libqb/issues/338

https://euvd.enisa.europa.eu/vulnerability/EUVD-2019-4363

https://bugzilla.redhat.com/show_bug.cgi?id=1695948

Details

Source: Mitre, NVD

Published: 2019-06-07

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 6.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.1

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

Severity: High

EPSS

EPSS: 0.00032