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Address OOB read in the base58 decoder:

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Under some circumstances, it is possible to induce an out-of-bounds
memory read in the base58 decoder.

This commit addresses this issue.

Acknowledgements:
    Guido Vranken for discovering and responsibly disclosing this issue.

Bug Bounties and Responsible Disclosures:
    We welcome reviews of the rippled code and urge researchers to
    responsibly disclose any issues they may find.

    Ripple is generously sponsoring a bug bounty program for the
    rippled project. For more information please visit:

        https://ripple.com/bug-bounty
This commit is contained in:
Edward Hennis
2021-07-21 18:10:45 -04:00
committed by Nik Bougalis
parent 1061b01ab3
commit 53df35eef3
1 changed files with 1 additions and 1 deletions
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2
src/ripple/protocol/impl/tokens.cpp
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@@ -149,7 +149,7 @@ encodeBase58(
static std::string static std::string
decodeBase58(std::string const& s) decodeBase58(std::string const& s)
{ {
auto psz = s.c_str(); auto psz = reinterpret_cast<unsigned char const*>(s.c_str());
auto remain = s.size(); auto remain = s.size();
// Skip and count leading zeroes // Skip and count leading zeroes
int zeroes = 0; int zeroes = 0;