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CVE-2016-15059

Net-IDN-Encode · buffer overflow

cve-program · severity unknownCVSS unknownCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2016-15059

Published

Net::IDN::Punycode versions before 2.301 for Perl allow a heap buffer overflow via unchecked writes past the output buffer in encode_punycode. The XS backend builds the encoded label in the string buffer of the scalar it returns, sized from the input length. The loop that emits the digits of each code point checks for room before every write, but the write of the last digit of each round and the write of the terminating NUL do not, so an input whose encoded form fills the buffer writes past its end. Only the XS backend is affected. Encoding an attacker-supplied string corrupts the heap.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2016-15059

Published

Net-IDN-Encode

https://cpan.org/modules

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "collectionURL": "https://cpan.org/modules",
                    "defaultStatus": "unaffected",
                    "modules": [
                        "Net::IDN::Punycode"
                    ],
                    "packageName": "Net-IDN-Encode",
                    "packageURL": "pkg:cpan/Net-IDN-Encode",
                    "programFiles": [
                        "lib/Net/IDN/Punycode.xs"
                    ],
                    "programRoutines": [
                        {
                            "name": "Net::IDN::Punycode::encode_punycode"
                        }
                    ],
                    "repo": "https://github.com/robrwo/Net-IDN-Encode",
                    "versions": [
                        {
                            "lessThan": "2.301",
                            "status": "affected",
                            "version": "0",
                            "versionType": "custom"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON