CVE-2019-12779
UnknownEPSS 0.66%
Last modified
CVE-2019-12779 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.66% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Clusterlabs | Libqb | < 1.0.5 |
References
- http://www.securityfocus.com/bid/108691Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1695948Exploit, Patch, Third Party Advisory, VDB Entry
- https://github.com/ClusterLabs/libqb/issues/338Exploit, Issue Tracking, Patch, Third Party Advisory
- https://github.com/ClusterLabs/libqb/releases/tag/v1.0.4Release Notes, Third Party Advisory
- https://github.com/ClusterLabs/libqb/releases/tag/v1.0.5Release Notes, Third Party Advisory
- http://www.securityfocus.com/bid/108691Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1695948Exploit, Patch, Third Party Advisory, VDB Entry
- https://github.com/ClusterLabs/libqb/issues/338Exploit, Issue Tracking, Patch, Third Party Advisory
- https://github.com/ClusterLabs/libqb/releases/tag/v1.0.4Release Notes, Third Party Advisory
- https://github.com/ClusterLabs/libqb/releases/tag/v1.0.5Release Notes, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2019-12779?
Severity scoring for CVE-2019-12779 is pending analysis. The EPSS model estimates a 0.66% probability of exploitation in the next 30 days.
How do I fix CVE-2019-12779?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2019-12779?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST