cve-2025-30356
Vulnerability from cvelistv5
Published
2025-04-01 22:06
Modified
2025-04-02 13:46
Severity ?
9.3 (Critical) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Summary
CryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Procedures (SDLS-EP) to secure communications between a spacecraft running the core Flight System (cFS) and a ground station. In 1.3.3 and earlier, a heap buffer overflow vulnerability persists in the Crypto_TC_ApplySecurity function due to an incomplete validation check on the fl (frame length) field. Although CVE-2025-29912 addressed an underflow issue involving fl, the patch fails to fully prevent unsafe calculations. As a result, an attacker can still craft malicious frames that cause a negative tf_payload_len, which is then interpreted as a large unsigned value, leading to a heap buffer overflow in a memcpy call.
References
security-advisories@github.comhttps://github.com/nasa/CryptoLib/commit/59d1bce7608c94c6131ef4877535075b0649799c
security-advisories@github.comhttps://github.com/nasa/CryptoLib/security/advisories/GHSA-6w2x-w7w3-85w2
134c704f-9b21-4f2e-91b3-4a467353bcc0https://github.com/nasa/CryptoLib/security/advisories/GHSA-6w2x-w7w3-85w2
Impacted products
Vendor Product Version
nasa CryptoLib Version: <= 1.3.3
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