Title: Joel Palmius Mod_Survey Input Validation Vulnerability
Severity: MODERATE
Description:
Mod_Survey is a Perl module which allows web users to create online questionaires. It is written and maintained by Joel Palmius.
Mod_Survey does not adequately validate user-supplied input. A number of characters are not sanitized from text fields and HTTP requests. This may have a number of effects on the security and availability of a site running Mod_Survey.
For example, semi-colons(;) are used to delimit fields in Mod_Survey and extraneous use of semi-colons may cause unexpected behavior to occur.
Additionally, this may make it possible for a remote attacker to execute arbitrary commands on the shell of a host(with the privileges of the webserver process), in the case of a specially crafted request which contains shell metacharacters. Though this possibility has not been confirmed.
Affected Products:
- Joel Palmius Mod_Survey 3.0.0.0
- Joel Palmius Mod_Survey 3.0.0.1
- Joel Palmius Mod_Survey 3.0.0.2
- Joel Palmius Mod_Survey 3.0.0.3
- Joel Palmius Mod_Survey 3.0.0.4
- Joel Palmius Mod_Survey 3.0.0.5
References:
- Joel Palmius: Mod_Survey Homepage
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