CVE-2014-2054 PHPExcel vulnerable to XXE attacks through libxml
Remote attackers can read arbitrary files or cause denial of service via XML External Entity attacks in PHPExcel.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2014-2054?
CVE-2014-2054 is a high-severity vulnerability in Owncloud Owncloud Server, published on 4 Jun 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
PHPExcel before 1.8.0, as used in ownCloud Server before 5.0.15 and 6.0.x before 6.0.2, does not disable external entity loading in libxml, which allows remote attackers to read arbitrary files, cause a denial of service, or possibly have other impact via an XML External Entity (XXE) attack.
Which versions are affected by CVE-2014-2054?
2 open source packages ship an affected version, including phpoffice/phpexcel. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
phpoffice/phpexcel Packagist | All versions | 1.8.0 |
phpoffice/phpexcel Packagist | All versions | 1.8.0 |
Products include Owncloud Owncloud Server, Phpexcel Project Phpexcel.
How do I fix CVE-2014-2054?
Upgrade phpoffice/phpexcel to 1.8.0 or later.
Is CVE-2014-2054 being exploited?
There is no known exploitation of CVE-2014-2054 in the wild and no public exploit code.
Other vulnerabilities in Owncloud Owncloud Server
Sources
Also known as GHSA-28rm-rj57-qjpv.