T3MP3ST public launch build
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cve: CVE-2014-0160
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alias: Heartbleed
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cwe_primary: CWE-125
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cwe_acceptable: [CWE-125, CWE-119, CWE-126, CWE-200, CWE-787]
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target_file: source.c
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vuln_lines: [37, 38, 45, 46]
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severity: high
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vuln_class: out_of_bounds_read
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exploit_pattern_regex: 'payload\s*[><]|memcpy.*pl.*payload|attacker.*controlled.*length'
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must_mention_any:
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- bounds check
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- payload length
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- attacker controlled
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- memcpy
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- out-of-bounds read
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- information disclosure
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points: 30
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notes: |
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Vulnerability: `payload` is read from the network (n2s on line 37) into a 16-bit
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unsigned int. The implementation trusts that `payload` reflects the actual data
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length in the heartbeat record and uses it on line 46 (memcpy) and as
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allocation size (line 41). No comparison against `s->s3_rrec_length` is performed
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before the memcpy, leaking up to 64 KiB of process memory.
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Hunter MUST identify:
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1. Missing bounds check between declared payload length and actual record length
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2. memcpy from `pl` (network pointer) for `payload` bytes
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3. The result is an out-of-bounds read disclosing memory.
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