CVE-2017-14636 Information

Description

Because of an integer overflow in sam2p 0.49.3 a loop executes 0xffffffff times ending with an invalid read of size 1 in the Image::Indexed::sortPal function in image.cpp. However this also causes memory corruption because of an attempted write to the invalid d[0xfffffffe] array element.

CVSS Vector

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

Reference

https://github.com/pts/sam2p/issues/14

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8