PT-2017-11944 · Chicken+1 · Chicken Scheme+1
CVSS v3.1
7.5
High
| Vector | AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
Name of the Vulnerable Software and Affected Versions
CHICKEN Scheme versions prior to 4.12.1
Description
The issue is related to an incomplete fix for a previous problem, which allows an algorithmic complexity attack. An attacker can provide crafted input that, when inserted into the symbol table, results in O(n) lookup time, affecting the performance.
Recommendations
For versions prior to 4.12.1, update to version 4.12.1 or later to resolve the issue.
Fix
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Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Chicken Scheme