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WS-2019-0543

Date: August 22, 2019

openSC in versions 0.12.2-rc1 to 0.19.0 is vulnerable toHeap-buffer-overflow in decode_bit_string, related to src/libopensc/asn1.c.

Language: C

Severity Score

Related Resources (2)

https://github.com/OpenSC/OpenSC/commit/9b4b080be788a602fa8f01ac8d7e29cdaad07902
https://www.mend.io/vulnerability-database/WS-2019-0543

Severity Score

Weakness Type (CWE)

Code

CWE-17

Heap-based Buffer Overflow

CWE-122

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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