Signature Detail
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Short Name |
HTTP:OVERFLOW:LIBYAML-SCANNER |
|---|---|
Severity |
Major |
Recommended |
No |
Recommended Action |
Drop |
Category |
HTTP |
Keywords |
LibYAML Scanner yaml_parser_scan_uri_escapes Heap Buffer Overflow |
Release Date |
2014/04/10 |
Update Number |
2363 |
Supported Platforms |
idp-4.0+, isg-3.1.134269+, j-series-9.5+, mx-11.4+, srx-12.1+, srx-branch-12.1+, vmx-17.4+, vsrx-12.1+, vsrx3bsd-18.2+ |
HTTP: LibYAML Scanner yaml_parser_scan_uri_escapes Heap Buffer Overflow
This signature detects attempts to exploit a known vulnerability in the LibYAML Scanner. A successful attack can lead to a buffer overflow and arbitrary remote code execution within the context of the server.
Extended Description
Heap-based buffer overflow in the yaml_parser_scan_uri_escapes function in LibYAML before 0.1.6 allows context-dependent attackers to execute arbitrary code via a long sequence of percent-encoded characters in a URI in a YAML file.
Affected Products
- Opensuse leap 42.1
- Opensuse opensuse 13.1
- Opensuse opensuse 13.2
- Pyyaml libyaml 0.0.1
- Pyyaml libyaml 0.1.1
- Pyyaml libyaml 0.1.2
- Pyyaml libyaml 0.1.3
- Pyyaml libyaml 0.1.4
- Pyyaml libyaml 0.1.5
References
- CVE: CVE-2014-2525