CVE-2013-6393
Medium
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.
SeverityMedium
CVSS6.8
Exploit probability—
Product
Pyyaml Libyaml
PublishedFeb 6, 2014
First seenFeb 6, 2014
How to fix
Update
- libyaml0.2.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| pyyaml libyaml | v ≤ 0.1.4, 0.0.1, 0.1.1, 0.1.2, 0.1.3 | — |
| canonical ubuntu_linux | 12.04, 12.10, 13.10 | — |
| redhat openstack | 3.0, 4.0 | — |
| debian debian_linux | 6.0, 7.0 | — |
| opensuse leap | 42.1 | — |
| opensuse opensuse | 11.4, 13.1, 13.2 | — |
| libyamlnpm | v < 0.2.3 | 0.2.3 |
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