CVE-2022-27790
Published: 11 May 2022
Summary
CVE-2022-27790 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 6.2% 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 vulnerability in the processing of fonts. Tracked as CVE-2022-27790 with CWE-416 and a CVSS 3.0 score of 7.8, the flaw can result in arbitrary code execution in the context of the current user.
An attacker can exploit the issue by supplying a specially crafted malicious file. Exploitation requires user interaction, specifically that the victim open the file, after which code executes locally with the privileges of the opening user.
The referenced Adobe advisory at https://helpx.adobe.com/security/products/acrobat/apsb22-16.html addresses mitigation through the application of the corresponding security updates for the affected Acrobat Reader DC releases. The EPSS score remains flat at 0.1154 with no material rise observed.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-32285
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 fonts 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.