High severityNVD Advisory· Published Jan 27, 2022· Updated Aug 4, 2024
CVE-2021-46102
CVE-2021-46102
Description
From version 0.2.14 to 0.2.16 for Solana rBPF, function "relocate" in the file src/elf.rs has an integer overflow bug because the sym.st_value is read directly from ELF file without checking. If the sym.st_value is rather large, an integer overflow is triggered while calculating the variable "addr" via "addr = (sym.st_value + refd_pa) as u64";
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
solana_rbpfcrates.io | >= 0.2.14, < 0.2.17 | 0.2.17 |
Affected products
2- Solana/rBPFdescription
Patches
Vulnerability mechanics
References
7- github.com/advisories/GHSA-xwqr-xmgg-j69qghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-46102ghsaADVISORY
- blocksecteam.medium.com/new-integer-overflow-bug-discovered-in-solana-rbpf-7729717159eeghsax_refsource_MISCWEB
- github.com/solana-labs/rbpf/blob/c14764850f0b83b58aa013248eaf6d65836c1218/src/elf.rsghsax_refsource_MISCWEB
- github.com/solana-labs/rbpf/pull/200ghsax_refsource_MISCWEB
- github.com/solana-labs/rbpf/pull/236ghsax_refsource_MISCWEB
- github.com/solana-labs/rbpf/releases/tag/v0.2.17ghsaWEB
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