The yaml_parser_scan_tag_uri function in scanner.c in LibYAML before 0.1.5 performs an incorrect cast, which allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via crafted tags in a YAML document, which triggers a heap-based buffer overflow.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.0806.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
n/a n/a affected
Version Status Constraints
n/a affected —

Configuration 1 [-]

OR cpe:2.3:a:pyyaml:libyaml:*:*:*:*:*:*:*:*
cpe:2.3:a:pyyaml:libyaml:0.0.1:*:*:*:*:*:*:*
cpe:2.3:a:pyyaml:libyaml:0.1.1:*:*:*:*:*:*:*
cpe:2.3:a:pyyaml:libyaml:0.1.2:*:*:*:*:*:*:*
cpe:2.3:a:pyyaml:libyaml:0.1.3:*:*:*:*:*:*:*

Configuration 2 [-]

OR cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:13.10:*:*:*:*:*:*:*

Configuration 3 [-]

OR cpe:2.3:a:redhat:openstack:3.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openstack:4.0:*:*:*:*:*:*:*

Configuration 4 [-]

OR cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*

Configuration 5 [-]

OR cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
Package CPE Advisory Released Date
OpenStack 3 for RHEL 6
libyaml-0:0.1.3-1.4.el6 cpe:/a:redhat:openstack:3::el6 RHSA-2014:0353 2014-04-02T00:00:00Z
ruby193-libyaml-0:0.1.4-5.1.el6 cpe:/a:redhat:openstack:3::el6 RHSA-2014:0364 2014-04-03T00:00:00Z
OpenStack 4 for RHEL 6
libyaml-0:0.1.3-1.4.el6 cpe:/a:redhat:openstack:4::el6 RHSA-2014:0354 2014-04-02T00:00:00Z
Red Hat Common for RHEL 6
libyaml-0:0.1.3-1.4.el6 cpe:/a:redhat:rhel_common:6::el6 RHSA-2014:0415 2014-04-17T00:00:00Z
Red Hat Software Collections for RHEL-6
ruby193-libyaml-0:0.1.4-5.1.el6 cpe:/a:redhat:rhel_software_collections:1::el6 RHSA-2014:0355 2014-04-02T00:00:00Z

No data.

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-2850-1 libyaml security update
Debian DSA Debian DSA DSA-2870-1 libyaml-libyaml-perl security update
EUVD EUVD EUVD-2020-0633 The yaml_parser_scan_tag_uri function in scanner.c in LibYAML before 0.1.5 performs an incorrect cast, which allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via crafted tags in a YAML document, which triggers a heap-based buffer overflow.
Github GHSA Github GHSA GHSA-m75h-cghq-c8h5 Heap Based Buffer Overflow in libyaml
Ubuntu USN Ubuntu USN USN-2098-1 LibYAML vulnerability
Ubuntu USN Ubuntu USN USN-2161-1 libyaml-libyaml-perl vulnerabilities
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
http://advisories.mageia.org/MGASA-2014-0040.html cve-icon cve-icon
http://archives.neohapsis.com/archives/bugtraq/2014-04/0134.html cve-icon cve-icon
http://archives.neohapsis.com/archives/bugtraq/2014-10/0103.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-updates/2014-02/msg00064.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-updates/2014-02/msg00065.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-updates/2015-02/msg00078.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-updates/2016-04/msg00050.html cve-icon cve-icon
http://osvdb.org/102716 cve-icon cve-icon
http://rhn.redhat.com/errata/RHSA-2014-0353.html cve-icon cve-icon
http://rhn.redhat.com/errata/RHSA-2014-0354.html cve-icon cve-icon
http://rhn.redhat.com/errata/RHSA-2014-0355.html cve-icon cve-icon
http://www.debian.org/security/2014/dsa-2850 cve-icon cve-icon
http://www.debian.org/security/2014/dsa-2870 cve-icon cve-icon
http://www.mandriva.com/security/advisories?name=MDVSA-2015:060 cve-icon cve-icon
http://www.securityfocus.com/bid/65258 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-2098-1 cve-icon cve-icon
https://bitbucket.org/xi/libyaml/commits/tag/0.1.5 cve-icon cve-icon
https://bugzilla.redhat.com/attachment.cgi?id=847926&action=diff cve-icon cve-icon
https://bugzilla.redhat.com/show_bug.cgi?id=1033990 cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2013-6393 cve-icon
https://puppet.com/security/cve/cve-2013-6393 cve-icon cve-icon
https://support.apple.com/kb/HT6536 cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2013-6393 cve-icon
History

No history.

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-06T17:39:01.258Z

Reserved: 2013-11-04T00:00:00

Link: CVE-2013-6393

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2014-02-06T22:55:03.217

Modified: 2025-04-11T00:51:21.963

Link: CVE-2013-6393

cve-icon Redhat

Severity : Moderate

Publid Date: 2014-01-27T00:00:00Z

Links: CVE-2013-6393 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses