Vulnerability Details : CVE-2013-6393
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.
Vulnerability category: OverflowExecute codeDenial of service
Exploit prediction scoring system (EPSS) score for CVE-2013-6393
Probability of exploitation activity in the next 30 days: 2.20%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 88 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2013-6393
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
nvd@nist.gov |
CWE ids for CVE-2013-6393
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The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2013-6393
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http://lists.opensuse.org/opensuse-updates/2014-02/msg00065.html
openSUSE-SU-2014:0273-1: moderate: update for libyamlThird Party Advisory
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http://rhn.redhat.com/errata/RHSA-2014-0355.html
RHSA-2014:0355 - Security Advisory - Red Hat Customer PortalThird Party Advisory
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http://www.debian.org/security/2014/dsa-2850
Debian -- Security Information -- DSA-2850-1 libyamlThird Party Advisory
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http://archives.neohapsis.com/archives/bugtraq/2014-04/0134.html
Broken Link
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http://rhn.redhat.com/errata/RHSA-2014-0353.html
RHSA-2014:0353 - Security Advisory - Red Hat Customer PortalThird Party Advisory
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http://lists.opensuse.org/opensuse-updates/2014-02/msg00064.html
openSUSE-SU-2014:0272-1: moderate: update for libyamlThird Party Advisory
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http://archives.neohapsis.com/archives/bugtraq/2014-10/0103.html
Broken Link
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https://bugzilla.redhat.com/show_bug.cgi?id=1033990
1033990 – (CVE-2013-6393) CVE-2013-6393 libyaml: heap-based buffer overflow when parsing YAML tagsPatch;Issue Tracking
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http://www.securityfocus.com/bid/65258
LibYAML 'scanner.c' Remote Heap Based Buffer Overflow VulnerabilityThird Party Advisory;VDB Entry
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http://advisories.mageia.org/MGASA-2014-0040.html
Mageia Advisory: MGASA-2014-0040 - Updated yaml packages fix CVE-2013-6393Third Party Advisory
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https://bugzilla.redhat.com/attachment.cgi?id=847926&action=diff
Attachment 847926 Details for Bug 1033990 – String overflow patchIssue Tracking
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http://lists.opensuse.org/opensuse-updates/2015-02/msg00078.html
openSUSE-SU-2015:0319-1: moderate: Security update for perl-YAML-LibYAMLThird Party Advisory
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https://bitbucket.org/xi/libyaml/commits/tag/0.1.5
xi / libyaml / Commits — BitbucketIssue Tracking
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https://support.apple.com/kb/HT6536
About the security content of OS X Server v4.0 - Apple SupportThird Party Advisory
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http://www.debian.org/security/2014/dsa-2870
Debian -- Security Information -- DSA-2870-1 libyaml-libyaml-perlThird Party Advisory
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http://www.ubuntu.com/usn/USN-2098-1
USN-2098-1: LibYAML vulnerability | Ubuntu security noticesThird Party Advisory
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http://www.mandriva.com/security/advisories?name=MDVSA-2015:060
mandriva.comThird Party Advisory
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http://lists.opensuse.org/opensuse-updates/2016-04/msg00050.html
openSUSE-SU-2016:1067-1: moderate: Security update for perl-YAML-LibYAMLThird Party Advisory
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http://rhn.redhat.com/errata/RHSA-2014-0354.html
RHSA-2014:0354 - Security Advisory - Red Hat Customer PortalThird Party Advisory
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https://puppet.com/security/cve/cve-2013-6393
CVE-2013-6393 | Puppet
Products affected by CVE-2013-6393
- cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:openstack:4.0:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:openstack:3.0:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:13.10:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*
- cpe:2.3:a:pyyaml:libyaml:*:*:*:*:*:*:*:*
- cpe:2.3:a:pyyaml:libyaml:0.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:pyyaml:libyaml:0.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:pyyaml:libyaml:0.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:pyyaml:libyaml:0.1.3:*:*:*:*:*:*:*