CVE-2019-12779

Published: Jun 7, 2019Modified: Jun 17, 2026

7.1

Vector

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

Exploitability: 1.8 / Impact: 5.2

Source: NVD

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.

Affected (1)

Products: Clusterlabs: Libqb

Clusterlabs

1 product

Libqb

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Clusterlabs Libqb	Before 1.0.5

Related CWEs

CWE-59

Improper Link Resolution Before File Access ('Link Following')

The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

References (20)

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

Source: cve@mitre.org

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

Source: cve@mitre.org

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

Source: cve@mitre.org

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

Source: cve@mitre.org

Third Party Advisory

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

Source: cve@mitre.org

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

Source: cve@mitre.org

ExploitPatchThird Party AdvisoryVDB Entry

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

Source: cve@mitre.org

ExploitIssue TrackingPatchThird Party Advisory

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

Source: cve@mitre.org

Release NotesThird Party Advisory

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

Source: cve@mitre.org

Release NotesThird Party Advisory

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

Source: cve@mitre.org

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