Arbitrary Remote Code Execution Via Buffer Overflow

2016-12-2703:19:45

Veracode Vulnerability Database

sca.analysiscenter.veracode.com

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

JSON

pycrypto is vulnerable to remote code execution (RCE) via heap buffer overflow attacks. There is a heap buffer overflow on ALGobject.IV in block_templace.c, where attackers can write as many bytes as they want on part of the heap, and exploit it to control the execution flow to execute shell commands.