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CVE-2017-3124: Adobe Acrobat: Memory corruption

CVE-2017-3124 is rated critical with a CVSS v3.0 base score of 9.8 and affects Adobe Acrobat, along with 2 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 Acrobat Reader 2017.009.20058 and earlier, 2017.008.30051 and earlier, 2015.006.30306 and earlier, and 11.0.20 and earlier has an exploitable memory corruption vulnerability in the picture exchange (PCX) file format parsing module. Successful exploitation could lead to arbitrary code execution.

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 Acrobat: from 11.0.0 before 11.0.21
  • Adobe Reader: from 11.0.0 before 11.0.21
  • Adobe Acrobat Dc: from 15.000.0000 before 15.006.30355; from 17.000.0000 up to and including 17.011.30066; from 17.000.0000 before 17.012.20098
  • Adobe Acrobat Reader Dc: from 15.000.0000 before 15.006.30355; from 17.000.0000 before 17.011.30066; from 17.000.0000 before 17.012.20098

References