GHSA-4qpj-gxxg-jqg4 Swiftmailer Sendmail transport arbitrary shell execution
Attackers can execute arbitrary shell commands via the From header in Swiftmailer's sendmail transport when Return-Path is unconfigured.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is GHSA-4qpj-gxxg-jqg4?
GHSA-4qpj-gxxg-jqg4 is a command injection vulnerability in swiftmailer/swiftmailer, published on 29 May 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Swift_Transport_SendmailTransport) was vulnerable to an arbitrary shell execution if the "From" header came from a non-trusted source and no "Return-Path" is configured. This has been fixed in 5.2.1. If you are using sendmail as a transport, you are encouraged to upgrade as soon as possible.Which versions are affected by GHSA-4qpj-gxxg-jqg4?
2 open source packages ship an affected version, including swiftmailer/swiftmailer.
| Package | Affected | Fixed in |
|---|---|---|
swiftmailer/swiftmailer Packagist | From 4.0.0 | 5.2.1 |
swiftmailer/swiftmailer Packagist | From 4.0.0 | 5.2.1 |
How do I fix GHSA-4qpj-gxxg-jqg4?
Upgrade swiftmailer/swiftmailer to 5.2.1 or later.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is GHSA-4qpj-gxxg-jqg4 being exploited?
There is no known exploitation of GHSA-4qpj-gxxg-jqg4 in the wild and no public exploit code.