Quantum Secular Labs / Blog / Advisories

CVE-2017-11282: Adobe Flash Player: Memory corruption

CVE-2017-11282 is rated critical with a CVSS v3.0 base score of 9.8 and affects Adobe Flash Player, along with 3 other products in NVD’s configuration data. Per its scoring, it can be exploited over the network, without authentication, without any user interaction. The scored impact on confidentiality, integrity and availability is the highest available.

Vulnerability description

Adobe Flash Player has an exploitable memory corruption vulnerability in the MP4 atom parser. Successful exploitation could lead to arbitrary code execution. This affects 26.0.0.151 and earlier.

Severity breakdown

CVSS v3.0 9.8: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack vector: Network. Exploitable remotely over the network, with no need for local or physical access.
Attack complexity: Low. No special conditions; the attack can be repeated reliably.
Privileges required: None. No account or prior access is needed.
User interaction: None. No action from any user is needed.
Scope: Unchanged. Impact stays within the vulnerable component.
Confidentiality impact: High. Total loss of confidentiality; sensitive data can be fully disclosed.
Integrity impact: High. Total loss of integrity; data or system state can be fully modified.
Availability impact: High. Total loss of availability; the component can be shut down.

Underlying weakness

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary.

Affected products

Adobe Flash Player: up to and including 26.0.0.151
Red Hat Enterprise Linux Desktop: 6.0
Red Hat Enterprise Linux Server: 6.0
Red Hat Enterprise Linux Workstation: 6.0