CVE-2017-9801 Improper Input Validation in Apache Commons Email
Attackers can inject arbitrary SMTP headers via line breaks in email subjects, potentially altering email metadata or behavior.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-9801?
CVE-2017-9801 is a high-severity vulnerability in Apache Commons Email, published on 7 Aug 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
When a call-site passes a subject for an email that contains line-breaks in Apache Commons Email 1.0 through 1.4, the caller can add arbitrary SMTP headers.
Weakness: CWE-20
Which versions are affected by CVE-2017-9801?
2 open source packages ship an affected version, including org.apache.commons:commons-email. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.apache.commons:commons-email Maven | From 1.0 | 1.5 |
org.apache.commons:commons-email Maven | From 1.0 | 1.5 |
Linux distribution packages (1)
apache-commons-email openSUSE:Tumbleweed | All versions | 1.5-3.10 |
Products include Apache Commons Email.
How do I fix CVE-2017-9801?
Upgrade org.apache.commons:commons-email to 1.5 or later.
Is CVE-2017-9801 being exploited?
There is no known exploitation of CVE-2017-9801 in the wild and no public exploit code.
Other vulnerabilities in Apache Commons Email
Sources
Also known as GHSA-p7vm-phxx-g722, MGASA-2017-0322, openSUSE-SU-2024:10619-1.