CVE-2021-38557 raspap-webgui in RaspAP 2.6.6 allows attackers to execute commands as root because of the insecure sudoers permissions.
Attackers can escalate privileges to root by overwriting a script executable by the web server user due to insecure sudoers permissions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-38557?
CVE-2021-38557 is a high-severity vulnerability in n/a, published on 24 Aug 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
raspap-webgui in RaspAP 2.6.6 allows attackers to execute commands as root because of the insecure sudoers permissions. The www-data account can execute /etc/raspap/hostapd/enablelog.sh as root with no password; however, the www-data account can also overwrite /etc/raspap/hostapd/enablelog.sh with any executable content.
Weakness: CWE-732
Which versions are affected by CVE-2021-38557?
2 open source packages ship an affected version, including billz/raspap-webgui. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
billz/raspap-webgui Packagist | All versions to 2.6.6 | None |
billz/raspap-webgui Packagist | All versions to 2.6.6 | None |
Products include Raspap Raspap.
How do I fix CVE-2021-38557?
No fix has been published for CVE-2021-38557 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-38557 being exploited?
There is no known exploitation of CVE-2021-38557 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-536p-4pcj-5mr9.