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EUVD-2016-7063 · Published Feb 13, 2017
The rsa_verify_hash_ex function in rsa_verify_hash.c in LibTomCrypt, as used in OP-TEE before 2.2.0, does not validate that the message length is equal to the ASN.1 encoded data length, which makes it easier for remote attackers to forge RSA signatures or public certificates by leveraging a Bleichenbacher signature forgery attack.
Technologies
Op-Tee Op-Tee OsLibtom Libtomcrypt
Weaknesses
CWE-20
CVSS scores
- v3.07.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - v2.05.0
AV:N/AC:L/Au:N/C:N/I:P/A:N
MITRE ATT&CK
InferredWhere this vulnerability fits in an attack
Initial Access
References
Potentially impacted assets
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