Use After Free in Adobe Acrobat
CVE-2018-4888
An issue was discovered in Adobe Acrobat Reader 2018.009.20050 and earlier versions, 2017.011.30070 and earlier versions, 2015.006.30394 and earlier versions. This vulnerability is an instance of a use after free vulnerability. The vulnerability is triggered by a crafted PDF file that can cause a memory access violation exception in the XFA engine because of a dangling reference left as a consequence of freeing an object in the computation that manipulates internal nodes in a graph representation of a document object model used in XFA. Successful exploitation could lead to arbitrary code execution.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.122 (96.1th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.122 · newest: 0.122 · change: 0.000
Affected products
- Adobe Acrobat
- Adobe Acrobat Dc
- Adobe Acrobat Reader
- Adobe Acrobat Reader Dc
- Adobe Acrobat Reader 2018.009.20050 And Earlier Versions, 2017.011.30070 2015.006.30394 Versions — versions Adobe Acrobat Reader 2018.009.20050 and earlier versions, 2017.011.30070 and earlier versions, 2015.006.30394 and earlier versions
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/102995 (VDB Entry, Third Party Advisory, vdb-entry)
- helpx.adobe.com/security/products/acrobat/apsb18-02.html (Vendor Advisory)
- www.securitytracker.com/id/1040364 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2018-4888?
- CVE-2018-4888 is a high-severity vulnerability in Adobe Acrobat, classified under Use After Free. CVSS score: 8.8/10. Published 2018-02-27.
- How severe is CVE-2018-4888?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2018-4888 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.