Contao CMS <= 3.2.5 PHP object insertion

2014.02.03
Credit: Pedro Ribeiro
Risk: High
Local: No
Remote: Yes
CWE: CWE-502


Ogólna skala CVSS: 7.5/10
Znaczenie: 6.4/10
Łatwość wykorzystania: 10/10
Wymagany dostęp: Zdalny
Złożoność ataku: Niska
Autoryzacja: Nie wymagana
Wpływ na poufność: Częściowy
Wpływ na integralność: Częściowy
Wpływ na dostępność: Częściowy

Hi, I have discovered a vulnerability that might lead to code execution in Contao CMS <= 3.2.4 Contao CMS <= 3.2.4 does not properly validate user input in several locations which is then passed directly into PHP's unserialize. This has been fixed in Contao 2.3.5 as per commit: https://github.com/contao/core/commit/8c9cb044bdc887a8202bb65a64545c025664f957 and https://github.com/contao/core/commit/1717336598fdcf1ed3f4ad488e140147cb31516d Announcements can be found at https <https://contao.org/en/news/contao-3_2_5.html>://<https://contao.org/en/news/contao-3_2_5.html> contao.org <https://contao.org/en/news/contao-3_2_5.html>/<https://contao.org/en/news/contao-3_2_5.html> en <https://contao.org/en/news/contao-3_2_5.html>/news/<https://contao.org/en/news/contao-3_2_5.html> contao <https://contao.org/en/news/contao-3_2_5.html>-3_2_5.<https://contao.org/en/news/contao-3_2_5.html> html <https://contao.org/en/news/contao-3_2_5.html> https <https://contao.org/en/news/contao-2_11_14.html>://<https://contao.org/en/news/contao-2_11_14.html> contao.org <https://contao.org/en/news/contao-2_11_14.html>/<https://contao.org/en/news/contao-2_11_14.html> en <https://contao.org/en/news/contao-2_11_14.html>/news/<https://contao.org/en/news/contao-2_11_14.html> contao <https://contao.org/en/news/contao-2_11_14.html>-2_11_14.<https://contao.org/en/news/contao-2_11_14.html> html <https://contao.org/en/news/contao-2_11_14.html> Thanks to the Contao developers for being so responsive. The full report can be found at my repo in https://github.com/pedrib/PoC/blob/master/contao-3.2.4.txt Can you please assign a CVE for the vulnerability described above? Thanks in advance. Regards, Pedro Ribeiro Agile Information Security

Referencje:

http://seclists.org/oss-sec/2014/q1/233


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