Vulnerability 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.
CVSS Score
7.1
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Clusterlabs | Libqb | < 1.0.5 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00017.html
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00027.html
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00031.html
- http://www.securityfocus.com/bid/108691Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:3610
- https://bugzilla.redhat.com/show_bug.cgi?id=1695948ExploitPatchThird Party Advisory
- https://github.com/ClusterLabs/libqb/issues/338ExploitIssue TrackingPatch
- https://github.com/ClusterLabs/libqb/releases/tag/v1.0.4Release NotesThird Party Advisory
- https://github.com/ClusterLabs/libqb/releases/tag/v1.0.5Release NotesThird Party Advisory
- https://security.gentoo.org/glsa/202107-03
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00017.html
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00027.html
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00031.html
- http://www.securityfocus.com/bid/108691Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:3610
FAQ
What is CVE-2019-12779?
CVE-2019-12779 is a vulnerability with a CVSS score of 7.1 (HIGH). 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.
How severe is CVE-2019-12779?
CVE-2019-12779 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-12779?
Check the references section above for vendor advisories and patch information. Affected products include: Clusterlabs Libqb.