ZDI-CAN-21318: Adobe Acrobat Reader DC Font Parsing Use-After-Free Information Disclosure Vulnerability
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
Adobe Acrobat Reader versions 23.003.20244 (and earlier) and 20.005.30467 (and earlier) are affected by a Use-After-Free vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Adobe | Acrobat Reader | up to 23.003.20244 | — | No fix listed | CNA |
- Acrobat Reader VendorAdobe Affected up to 23.003.20244 Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:* | 15.008.20082 to before 23.003.20269 | Vulnerable | Adobe |
| cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:* | 15.008.20082 to before 23.003.20269 | Vulnerable | Adobe |
| cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Apple |
| cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:* | 20.001.30005 – 20.005.30516.10516 | Vulnerable | Adobe |
| cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:* | 20.001.30005 to before 20.005.30516.10516 | Vulnerable | Adobe |
| cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:* | 20.001.30005 to before 20.005.30514.10514 | Vulnerable | Adobe |
| cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:* | 20.001.30005 to before 20.005.30514.10514 | Vulnerable | Adobe |
- cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:* Versions 15.008.20082 to before 23.003.20269 Vulnerable ·Adobe
- cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:* Versions 15.008.20082 to before 23.003.20269 Vulnerable ·Adobe
- cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Apple
- cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:* Versions 20.001.30005 – 20.005.30516.10516 Vulnerable ·Adobe
- cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:* Versions 20.001.30005 to before 20.005.30516.10516 Vulnerable ·Adobe
- cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:* Versions 20.001.30005 to before 20.005.30514.10514 Vulnerable ·Adobe
- cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:* Versions 20.001.30005 to before 20.005.30514.10514 Vulnerable ·Adobe
Remediation
No fixed version listed by the sources yet.
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Adobe Acrobat Reader — helpx.adobe.com/security/products/acrobat/apsb23-30.html
30 records Highest priority Priority MEDIUM 10 MEDIUM, 20 LOW
Other records, highest priority first
- TI-2023-13716 ZDI-CAN-20712: Adobe Acrobat Blacklist Bypass Design flawPriority MEDIUM 43
- TI-2023-19641 ZDI-CAN-21310: Adobe Acrobat Reader DC Font Parsing Out-Of-Bounds Read Information Disclosure VulnerabilityPriority MEDIUM 42
- TI-2023-19639 ZDI-CAN-21241: Adobe Acrobat Reader DC Font Parsing Use-After-Free Remote Code Execution VulnerabilityPriority MEDIUM 42
Timeline
- 2026-10-02 Threatist record created from CVE-2023-38230
- 2026-10-03 Alias added: GHSA-whvr-9jr9-8xcm
References
More Adobe Acrobat vulnerabilities
- TI-2014-00524 Adobe Reader and Acrobat 10.x before 10.1.11 and 11.x before 11.0.08 on Windows allow… KEVCVSS 3.1CRITICAL 9.8
- TI-2013-02915 Adobe Reader and Acrobat 9.x before 9.5.5, 10.x before 10.1.7, and 11.x before 11.0.03… KEVCVSS 3.1CRITICAL 9.8
- TI-2013-02389 Integer overflow in Adobe Reader and Acrobat 9.x before 9.5.5, 10.x before 10.1.7, and… KEVCVSS 3.1CRITICAL 9.8
- TI-2011-02156 Unspecified vulnerability in the U3D component in Adobe Reader and Acrobat 10.1.1 and… KEVCVSS 3.1CRITICAL 9.8
- TI-2021-09626 Adobe Acrobat Reader use after free vulnerability could lead to arbitrary code execution KEVCVSS 3.1HIGH 8.8
- TI-2021-04123 Acrobat Reader DC Heap-based Buffer Overflow Vulnerability Could Lead To Arbitrary Code Execution KEVCVSS 3.1HIGH 8.8
Sources
- CVE-2023-38230 · CVE Program
- CVE-2023-38230 · NVD
- FIRST EPSS
- GHSA-whvr-9jr9-8xcm · GitHub Advisory Database · CC BY 4.0
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