CVE-2012-2140 Mail Gem Improper Input Validation vulnerability
Remote attackers can execute arbitrary commands via shell metacharacters in sendmail or exim delivery methods within the Ruby Mail gem.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2012-2140?
CVE-2012-2140 is a high-severity command injection vulnerability in n/a, published on 18 Jul 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Mail gem before 2.4.3 for Ruby allows remote attackers to execute arbitrary commands via shell metacharacters in a (1) sendmail or (2) exim delivery.
Weakness: CWE-20
Which versions are affected by CVE-2012-2140?
2 open source packages ship an affected version, including mail. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
mail RubyGems | All versions | 2.4.3 |
mail RubyGems | All versions | 2.4.3 |
Products include Rubygems Mail Gem.
How do I fix CVE-2012-2140?
Upgrade mail to 2.4.3 or later.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2012-2140 being exploited?
There is no known exploitation of CVE-2012-2140 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2012-2140, GHSA-rp63-jfmw-532w.