CVE-2018-20129 File upload in n/a
Remote attackers can upload and execute arbitrary PHP code in DedeCMS by bypassing file extension restrictions using double extensions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-20129?
CVE-2018-20129 is a high-severity vulnerability in Dedecms Dedecms, published on 13 Dec 2018. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An issue was discovered in DedeCMS V5.7 SP2. uploads/include/dialog/select_images_post.php allows remote attackers to upload and execute arbitrary PHP code via a double extension and a modified ".php" substring, in conjunction with the image/jpeg content type, as demonstrated by the filename=1.jpg.p*hp value.
Weakness: CWE-94
Which versions are affected by CVE-2018-20129?
It affects 1 product.
Products include Dedecms Dedecms.
How do I fix CVE-2018-20129?
No fix has been published for CVE-2018-20129 yet. Limit exposure of the affected software until one is available.
Is CVE-2018-20129 being exploited?
There is no known exploitation of CVE-2018-20129 in the wild and no public exploit code.
Other vulnerabilities in Dedecms Dedecms
Sources
Also known as GHSA-wg4c-wpq8-9vjx.