CVE-2009-4117 Memory corruption in n/a
Remote attackers can execute arbitrary code or cause denial of service via crafted PDF shading data in MuPDF library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2009-4117?
CVE-2009-4117 is a critical memory corruption vulnerability in n/a, published on 1 Dec 2009. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Multiple stack-based buffer overflows in pdf_shade4.c in MuPDF before commit 20091125231942, as used in SumatraPDF before 1.0.1, allow remote attackers to cause a denial of service and possibly execute arbitrary code via a /Decode array for certain types of shading that are not properly handled by the (1) pdf_loadtype4shade, (2) pdf_loadtype5shade, (3) pdf_loadtype6shade, and (4) pdf_loadtype7shade functions. NOTE: some of these details are obtained from third party information.
Weakness: CWE-119
Which versions are affected by CVE-2009-4117?
It affects 1 product.
Products include Sumatrapdfreader Sumatrapdf.
How do I fix CVE-2009-4117?
No fix has been published for CVE-2009-4117 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-2009-4117 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2009-4117 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in n/a
Sources
Also known as GHSA-5m5r-69xr-2fx8.