Input validation

Due to an incomplete fix for CVE-2012-6125, all versions of CHICKEN Scheme up to and including 4.12.0 are vulnerable to an algorithmic complexity attack. An attacker can provide crafted input which, when inserted into the symbol table, will result in On lookup time...

CVE-2017-11343: Inefficient Algorithmic Complexity

Due to an incomplete fix for CVE-2012-6125, all versions of CHICKEN Scheme up to and including 4.12.0 are vulnerable to an algorithmic complexity attack. An attacker can provide crafted input which, when inserted into the symbol table, will result in On lookup time...

CVE-2017-11343

CHICKEN Scheme versions up to 4.12.0 are vulnerable to an algorithmic complexity attack due to an incomplete fix for CVE-2012-6125. The issue arises from crafted input causing O(n) symbol-table lookups. The Fedora advisory FEDORA-2017-76ce091a43 provides a fix for CVE-2017-11343 (referenced in th...

CVE-2017-11343

Due to an incomplete fix for CVE-2012-6125, all versions of CHICKEN Scheme up to and including 4.12.0 are vulnerable to an algorithmic complexity attack. An attacker can provide crafted input which, when inserted into the symbol table, will result in On lookup time...

CVE-2017-11343

Due to an incomplete fix for CVE-2012-6125, all versions of CHICKEN Scheme up to and including 4.12.0 are vulnerable to an algorithmic complexity attack. An attacker can provide crafted input which, when inserted into the symbol table, will result in On lookup time...