SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2009-4324

Adobe Acrobat and Reader Use-After-Free Vulnerability

KEVHIGH 7.8EPSS 81.9%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 22 June 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

Use-after-free vulnerability in the Doc.media.newPlayer method in Multimedia.api in Adobe Reader and Acrobat 9.x before 9.3, and 8.x before 8.2 on Windows and Mac OS X, allows remote attackers to execute arbitrary code via a crafted PDF file using ZLib compressed streams, as exploited in the wild in December 2009.

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
81.93% probability · 100th percentile
CISA KEV
Listed 8 June 2022 · due 22 June 2022
Weakness
CWE-416
Affected
adobe/acrobat · adobe/acrobat reader · suse/linux enterprise debuginfo · opensuse/opensuse · suse/linux enterprise
Source
psirt@adobe.com

CISA notes

Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2009-4324

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.