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CVE-2017-14636

Published: 22 September 2017

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.

From the Ubuntu Security Team

It was discovered that Sam2p incorrectly handled certain image files. An attacker could possibly use this issue to cause a denial of service or other unspecified impact.

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
sam2p
Launchpad, Ubuntu, Debian
upstream
Released (0.49.2-3+deb8u1)
precise Does not exist

xenial
Released (0.49.2-3+deb8u3build0.16.04.1)
zesty Does not exist

artful Does not exist

bionic Does not exist

trusty
Released (0.49.2-3+deb8u3build0.14.04.1)

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H