CVE-2021-28940 Command injection in n/a
Attackers can execute arbitrary commands via crafted RSS URLs due to improper escaping in MagpieRSS, affecting applications using this library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-28940?
CVE-2021-28940 is a critical command injection vulnerability in n/a, published on 2 Apr 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Because of a incorrect escaped exec command in MagpieRSS in 0.72 in the /extlib/Snoopy.class.inc file, it is possible to add a extra command to the curl binary. This creates an issue on the /scripts/magpie_debug.php and /scripts/magpie_simple.php page that if you send a specific https url in the RSS URL field, you are able to execute arbitrary commands.
Weakness: CWE-116
Which versions are affected by CVE-2021-28940?
It affects 1 product.
Products include Magpierss Project Magpierss.
How do I fix CVE-2021-28940?
No fix has been published for CVE-2021-28940 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2021-28940 being exploited?
There is no known exploitation of CVE-2021-28940 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-pqv7-f7mw-95gc, UBUNTU-CVE-2021-28940.