Vulnerability Details : CVE-2019-12779
Potential exploit
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.
Products affected by CVE-2019-12779
- cpe:2.3:a:clusterlabs:libqb:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-12779
0.03%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-12779
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.6
|
MEDIUM | AV:L/AC:L/Au:N/C:N/I:C/A:C |
3.9
|
9.2
|
NIST | |
|
7.1
|
HIGH | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H |
1.8
|
5.2
|
NIST |
CWE ids for CVE-2019-12779
-
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.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-12779
-
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00031.html
[security-announce] openSUSE-SU-2019:1891-1: moderate: Security update f
-
https://access.redhat.com/errata/RHSA-2019:3610
RHSA-2019:3610 - Security Advisory - Red Hat Customer Portal
-
https://github.com/ClusterLabs/libqb/releases/tag/v1.0.4
Release v1.0.4 · ClusterLabs/libqb · GitHubRelease Notes;Third Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00017.html
[security-announce] openSUSE-SU-2019:1718-1: moderate: Security update f
-
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00027.html
[security-announce] openSUSE-SU-2019:1752-1: moderate: Security update f
-
https://github.com/ClusterLabs/libqb/releases/tag/v1.0.5
Release v1.0.5 · ClusterLabs/libqb · GitHubRelease Notes;Third Party Advisory
-
https://bugzilla.redhat.com/show_bug.cgi?id=1695948
1695948 – (CVE-2019-12779) CVE-2019-12779 libqb: Insecure treatment of IPC (temporary) filesExploit;Patch;Third Party Advisory;VDB Entry
-
https://security.gentoo.org/glsa/202107-03
libqb: Insecure temporary file (GLSA 202107-03) — Gentoo security
-
https://github.com/ClusterLabs/libqb/issues/338
Insecure Temporary Files · Issue #338 · ClusterLabs/libqb · GitHubIssue Tracking;Exploit;Patch;Third Party Advisory
-
http://www.securityfocus.com/bid/108691
Libqb CVE-2019-12779 Local Arbitrary File Overwrite VulnerabilityThird Party Advisory
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