CVE-2022-27800
Published: 11 May 2022
Summary
CVE-2022-27800 is a high-severity Use After Free (CWE-416) vulnerability in Apple Macos. Its CVSS base score is 7.8 (High).
Operationally, ranked in the top 7.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
Acrobat Reader DC versions 22.001.20085 and earlier, 20.005.3031x and earlier, and 17.012.30205 and earlier contain a use-after-free flaw (CWE-416) in annotation processing that can lead to arbitrary code execution in the current user's context. The issue carries a CVSS 3.0 base score of 7.8 with an attack vector of local access, low attack complexity, no privileges required, and required user interaction.
An attacker can exploit the vulnerability by supplying a malicious PDF file that triggers the flaw when opened in an affected Acrobat Reader DC installation, resulting in code execution under the privileges of the victim user who opens the document.
Adobe has published security advisory APSB22-16 at https://helpx.adobe.com/security/products/acrobat/apsb22-16.html that addresses the affected Acrobat Reader DC releases.
The EPSS score for this CVE has remained flat at a peak of 0.0877 with no material rise observed after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-32295
Vulnerability details
Acrobat Reader DC versions 22.001.20085 (and earlier), 20.005.3031x (and earlier) and 17.012.30205 (and earlier) are affected by a use-after-free vulnerability in the processing of annotations that could result in arbitrary code execution in the context of the current user. Exploitation…
more
of this issue requires user interaction in that a victim must open a malicious file.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Use-after-free exploits that achieve arbitrary code execution are blocked or significantly hardened by non-executable pages and ASLR.