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CVE-2019-12779

Good to know:

Date: June 7, 2019

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.

Language: C

Severity Score

7.1

Related Resources (15)

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

Url: https://nvd.nist.gov/vuln/detail/CVE-2019-12779

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

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

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

Url: https://security-tracker.debian.org/tracker/CVE-2019-12779

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

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

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

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

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

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2019-12779

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

Url: https://access.redhat.com/security/cve/CVE-2019-12779

Url: https://www.mend.io/vulnerability-database/CVE-2019-12779

Severity Score

7.1

Weakness Type (CWE)

Link Following

CWE-59

Top Fix

Upgrade Version

Upgrade to version 1.0.4

CVSS v3.1

Base Score:	7.1
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	6.6
Access Vector (AV):	LOCAL
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	COMPLETE
Availability (A):	COMPLETE
Additional information:

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