CVE-2013-6393
Public on 2014-02-06
Modified on 2014-09-18
Description
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.
Severity
Medium
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | libyaml | 2014-02-26 | ALAS-2014-291 | Fixed |
| Amazon Linux 1 | perl-YAML-LibYAML | 2014-04-17 | ALAS-2014-324 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv2 | 4.3 | AV:A/AC:H/Au:N/C:P/I:P/A:P |
| NVD | CVSSv2 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |