What is the CVSS score of CVE-2013-6393?

CVE-2013-6393 has a CVSS 2.0 base score of 6.8 (Medium). CVSS vector: AV:N/AC:M/Au:N/C:P/I:P/A:P. EPSS exploitation probability: 8.1%.

Is there a patch available for CVE-2013-6393?

Yes, a patch is available for CVE-2013-6393. Update the affected software to the latest version immediately.

Libyaml CVE-2013-6393

MEDIUM

Buffer Overflow (CWE-119)

2014-02-06 secalert@redhat.com

Buffer Overflow Denial Of Service RCE Libyaml Ubuntu Linux Openstack Debian Linux Leap Opensuse

6.8

CVSS 2.0 · NVD

Severity by source

NVD PRIMARY

6.8 MEDIUM

AV:N/AC:M/Au:N/C:P/I:P/A:P

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

AV:N/AC:M/Au:N/C:P/I:P/A:P

Attack Vector

Network

Attack Complexity

Confidentiality

Integrity

Availability

Lifecycle Timeline

CVE Published

Feb 06, 2014 - 22:55 cve.org

MEDIUM 6.8

DescriptionCVE.org

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.

AnalysisAI

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. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.

Technical ContextAI

This vulnerability is classified as Buffer Overflow (CWE-119), which allows attackers to corrupt memory to execute arbitrary code or crash the application. 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. Affected products include: Pyyaml Libyaml, Canonical Ubuntu Linux, Redhat Openstack, Debian Debian Linux, Opensuse Leap. Version information: before 0.1.5.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Use memory-safe languages or bounds-checking. Enable ASLR, DEP/NX, stack canaries. Use safe string functions.