CVE-2020-15350

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Summary

CVECVE-2020-15350
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-07-07 17:15:00 UTC
Updated2021-07-21 11:39:00 UTC
DescriptionRIOT 2020.04 has a buffer overflow in the base64 decoder. The decoding function base64_decode() uses an output buffer estimation function to compute the required buffer capacity and validate against the provided buffer size. The base64_estimate_decode_size() function calculates the expected decoded size with an arithmetic round-off error and does not take into account possible padding bytes. Due to this underestimation, it may be possible to craft base64 input that causes a buffer overflow.

Risk And Classification

Problem Types: CWE-119 | CWE-131

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Riot-os Riot 2020.04 All All All
Operating System Riot-os Riot 2020.04 All All All

References

ReferenceSourceLinkTags
base64_decoder.md - Google Drive MISC drive.google.com Mailing List, Patch, Third Party Advisory
sys/base64: Fix, unit test cleanup, and benchmark by maribu · Pull Request #14400 · RIOT-OS/RIOT · GitHub MISC github.com Patch, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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