CVE-2013-0162 ruby_parser allows local users to overwrite arbitrary files via symlink attack on temporary file with predictable name
Local attackers can overwrite arbitrary files via symlink attacks on predictable temporary files in the ruby_parser gem.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2013-0162?
CVE-2013-0162 is a low-severity path traversal vulnerability in n/a, published on 1 Mar 2013. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The diff_pp function in lib/gauntlet_rubyparser.rb in the ruby_parser gem 3.1.1 and earlier for Ruby allows local users to overwrite arbitrary files via a symlink attack on a temporary file with a predictable name in /tmp.
Weakness: CWE-264
Which versions are affected by CVE-2013-0162?
2 open source packages ship an affected version, including ruby_parser. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
ruby_parser RubyGems | From 2.0.2 | 3.1.2 |
ruby_parser RubyGems | From 2.0.2 | 3.1.2 |
Products include Ryan Davis Ruby Parser.
How do I fix CVE-2013-0162?
Upgrade ruby_parser to 3.1.2 or later.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2013-0162 being exploited?
There is no known exploitation of CVE-2013-0162 in the wild and no public exploit code.
Sources
Also known as GHSA-8mvw-22r7-w6fq, UBUNTU-CVE-2013-0162.