Cyber Resilience

CVE-2022-27797

High

Published: 11 May 2022

Published
11 May 2022
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3 7.8 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.1143 93.7th percentile
Risk Priority 22 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-27797 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 6.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

Deeper analysis

CVE-2022-27797 is a use-after-free vulnerability in the processing of annotations that affects Adobe Acrobat Reader DC versions 22.001.20085 and earlier, 20.005.3031x and earlier, and 17.012.30205 and earlier. The flaw can result in arbitrary code execution in the context of the current user and carries a CVSS 3.0 base score of 7.8.

An attacker can exploit the issue by supplying a malicious file that triggers the use-after-free condition when opened. Successful exploitation requires user interaction, specifically that the victim open the crafted document, after which code runs with the privileges of the logged-in user.

Adobe published advisory APSB22-16 at https://helpx.adobe.com/security/products/acrobat/apsb22-16.html to address the vulnerability. The EPSS score for this CVE has remained flat at a peak of 0.1143 with no material rise after disclosure.

EU & UK References

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)
CWE-416

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

adobe
acrobat dc
15.008.20082 — 22.001.20085
adobe
acrobat reader dc
15.008.20082 — 22.001.20085
adobe
acrobat
17.011.30059 — 17.012.30205 · 20.001.30005 — 20.005.30314 · 20.001.30005 — 20.005.30311
adobe
acrobat reader
17.011.30059 — 17.012.30205 · 20.001.30005 — 20.005.30314 · 20.001.30005 — 20.005.30311

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.

SI-16 Memory Protection
addresses: CWE-416

Use-after-free exploits that achieve arbitrary code execution are blocked or significantly hardened by non-executable pages and ASLR.

References