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dns: parser reads into garbage on misreported packet size (#468)

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Co-authored-by: Bill Willcox <billwcorp@gmail.com>
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Bill Willcox
2022-02-26 17:29:22 -05:00
committed by GitHub
parent c302e659d7
commit 7204fbd688
3 changed files with 64 additions and 6 deletions
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include/tins/dns.h
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@@ -1034,7 +1034,8 @@ private:
uint32_t compose_name(const uint8_t* ptr, char* out_ptr) const;
void convert_records(const uint8_t* ptr,
const uint8_t* end,
resources_type& res) const;
resources_type& res,
const uint16_t rr_count) const;
void skip_to_section_end(Memory::InputMemoryStream& stream,
const uint32_t num_records) const;
void skip_to_dname_end(Memory::InputMemoryStream& stream) const;