Base64 Decoding Integer Underflow Vulnerability

CVE-2015-0292 · HIGH Severity

AV:N/AC:L/AU:N/C:P/I:P/A:P

Integer underflow in the EVP_DecodeUpdate function in crypto/evp/encode.c in the base64-decoding implementation in OpenSSL before 0.9.8za, 1.0.0 before 1.0.0m, and 1.0.1 before 1.0.1h allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via crafted base64 data that triggers a buffer overflow.

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