CVE-2025-64096: high-severity vulnerability in nasa CryptoLib
CryptoLib vulnerable to Stack Buffer Overflow in Crypto_Key_Update due to missing TLV length check
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.8epss 0.5%
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. Prior to 1.4.2, there is a missing bounds check in Crypto_Key_update() (crypto_key_mgmt.c) which allows a remote attacker to trigger a stack-based buffer overflow by supplying a TLV packet with a spoofed length field. The function calculates the number of keys from an attacker-controlled field (pdu_len), which may exceed the static array size (kblk[98]), leading to an out-of-bounds write and potential memory corruption. This vulnerability is fixed in 1.4.2.
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
nasa · CryptoLibRelated CVEs — nasa CryptoLib
In the same product, most dangerous first.
CVE-2025-30216CRITICALCryptoLib Has Heap Overflow in Crypto_TM_ProcessSecurity due to Unchecked Secondary Header LengthEPSS 2.6%CVE-2025-29912HIGHCryptoLib Has Heap Buffer Overflow Due to Unsigned Integer Underflow in Crypto_TC_ProcessSecurityEPSS 1.1%CVE-2025-29909HIGHCryptoLib's Crypto_TC_ApplySecurity() Has a Heap Buffer Overflow VulnerabilityEPSS 1.1%CVE-2025-59534HIGHCryptoLib command Injection vulnerability in initialize_kerberos_keytab_file_login()EPSS 0.9%CVE-2025-29911HIGHCryptoLib Has Heap Buffer Overflow in Crypto_AOS_ProcessSecurity FunctionEPSS 0.7%CVE-2025-29913HIGHCryptoLib's Crypto_TC_Prep_AAD Has Buffer Overflow Due to Integer UnderflowEPSS 0.7%