The extlib gem 0.9.15 and earlier for Ruby does not properly restrict casts of string values, which might allow remote attackers to conduct object-injection attacks and execute arbitrary code, or cause a denial of service (memory and CPU consumption) by leveraging Action Pack support for (1) YAML type conversion or (2) Symbol type conversion, a similar vulnerability to CVE-2013-0156.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Extlib | Dan_kubb | * | 0.9.15 (including) |
| Extlib | Dan_kubb | 0.9.2 (including) | 0.9.2 (including) |
| Extlib | Dan_kubb | 0.9.3 (including) | 0.9.3 (including) |
| Extlib | Dan_kubb | 0.9.4 (including) | 0.9.4 (including) |
| Extlib | Dan_kubb | 0.9.5 (including) | 0.9.5 (including) |
| Extlib | Dan_kubb | 0.9.6 (including) | 0.9.6 (including) |
| Extlib | Dan_kubb | 0.9.7 (including) | 0.9.7 (including) |
| Extlib | Dan_kubb | 0.9.8 (including) | 0.9.8 (including) |
| Extlib | Dan_kubb | 0.9.9 (including) | 0.9.9 (including) |
| Extlib | Dan_kubb | 0.9.10 (including) | 0.9.10 (including) |
| Extlib | Dan_kubb | 0.9.11 (including) | 0.9.11 (including) |
| Extlib | Dan_kubb | 0.9.12 (including) | 0.9.12 (including) |
| Extlib | Dan_kubb | 0.9.13 (including) | 0.9.13 (including) |
| Extlib | Dan_kubb | 0.9.14 (including) | 0.9.14 (including) |
| Libextlib-ruby | Ubuntu | lucid | * |
| Libextlib-ruby | Ubuntu | oneiric | * |
| Libextlib-ruby | Ubuntu | precise | * |
| Libextlib-ruby | Ubuntu | upstream | * |
| Ruby-extlib | Ubuntu | quantal | * |
| Ruby-extlib | Ubuntu | upstream | * |
References
- http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00002.html
- https://bugzilla.redhat.com/show_bug.cgi?id=917233
- https://github.com/datamapper/extlib/compare/b4f98174ec35ac96f76a08d5624fad05d22879b5...4540e7102b803624cc2eade4bb8aaaa934fc31c5
- https://support.cloud.engineyard.com/entries/22915701-january-14-2013-security-vulnerabilities-httparty-extlib-crack-nori-update-these-gems-immediately
- http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00002.html
- https://bugzilla.redhat.com/show_bug.cgi?id=917233
- https://github.com/datamapper/extlib/compare/b4f98174ec35ac96f76a08d5624fad05d22879b5...4540e7102b803624cc2eade4bb8aaaa934fc31c5
- https://support.cloud.engineyard.com/entries/22915701-january-14-2013-security-vulnerabilities-httparty-extlib-crack-nori-update-these-gems-immediately