CVE-2017-5630 PEAR core file overwrite vulnerability
Remote attackers can overwrite arbitrary files, such as .htaccess, via crafted HTTP responses during PEAR installation, potentially leading to code execution.
- 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-2017-5630?
CVE-2017-5630 is a high-severity path traversal vulnerability in n/a, published on 1 Feb 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
PECL in the download utility class in the Installer in PEAR Base System v1.10.1 does not validate file types and filenames after a redirect, which allows remote HTTP servers to overwrite files via crafted responses, as demonstrated by a .htaccess overwrite.
Weakness: CWE-74
Which versions are affected by CVE-2017-5630?
2 open source packages ship an affected version, including pear/pear. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
pear/pear Packagist | All versions to 1.10.1 | None |
pear/pear Packagist | All versions to 1.10.1 | None |
Products include Php Pear.
How do I fix CVE-2017-5630?
No fix has been published for CVE-2017-5630 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2017-5630 being exploited?
There is no known exploitation of CVE-2017-5630 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2017-5630, GHSA-xxv8-pv43-57x5, UBUNTU-CVE-2017-5630.