CVE-2018-4879 Memory corruption in Adobe Acrobat Reader 2018.009.20050 and earlier versions, 2017.011.30070 and earlier versions, 2015.006.30394 and earlier versions
Attacker can execute arbitrary code or corrupt data via buffer overflow in EMF+ image processing. Users of Adobe Acrobat Reader should apply vendor patches.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-4879?
CVE-2018-4879 is a critical memory corruption vulnerability in Adobe Acrobat, published on 27 Feb 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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. The vulnerability is caused by the computation that writes data past the end of the intended buffer; the computation is part of the image conversion module that processes Enhanced Metafile Format Plus (EMF+) data. An attacker can potentially leverage the vulnerability to corrupt sensitive data or execute arbitrary code.
Weakness: CWE-787
Which versions are affected by CVE-2018-4879?
It affects 4 products.
Products include Adobe Acrobat, Adobe Acrobat Dc, Adobe Acrobat Reader, Adobe Acrobat Reader Dc.
How do I fix CVE-2018-4879?
No fix has been published for CVE-2018-4879 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2018-4879 being exploited?
There is no known exploitation of CVE-2018-4879 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Adobe Acrobat
Sources
Also known as GHSA-jgfh-mmm7-5fqq.