CVE-2017-1000026 mixlib-archive Path Traversal vulnerability
Attackers can overwrite arbitrary files via directory traversal in tar archives, affecting users of the mixlib-archive Ruby library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-1000026?
CVE-2017-1000026 is a high-severity path traversal vulnerability in n/a, published on 13 Jul 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Chef Software's mixlib-archive versions 0.3.0 and older are vulnerable to a directory traversal attack allowing attackers to overwrite arbitrary files by using ".." in tar archive entries
Weakness: CWE-22
Which versions are affected by CVE-2017-1000026?
2 open source packages ship an affected version, including mixlib-archive. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
mixlib-archive RubyGems | All versions | 0.4.0 |
mixlib-archive RubyGems | All versions | 0.4.0 |
Products include Progress Mixlib-Archive.
How do I fix CVE-2017-1000026?
Upgrade mixlib-archive to 0.4.0 or later.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2017-1000026 being exploited?
There is no known exploitation of CVE-2017-1000026 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2017-1000026, DSA-3915-1, GHSA-98wx-cw86-c97x.