High severity · published Jun 7, 2019
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
7.1
CVSS
0.7%
EPSS
No
On KEV
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 vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Libqb · Clusterlabs
before 1.0.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-12779
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-12779
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00017.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00027.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00031.html
Third Party Advisory
http://www.securityfocus.com/bid/108691
access.redhat.com
https://access.redhat.com/errata/RHSA-2019:3610
Exploit
https://bugzilla.redhat.com/show_bug.cgi?id=1695948
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