CVE-2021-34587 Bender Charge Controller: Long URL could lead to webserver crash
A long URL input causes a stack buffer overflow in the webserver, leading to a crash of the charge controller.
- 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-2021-34587?
CVE-2021-34587 is a medium-severity memory corruption vulnerability in Bender / ebee CC612, published on 27 Apr 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In Bender/ebee Charge Controllers in multiple versions a long URL could lead to webserver crash. The URL is used as input of an sprintf to a stack variable.
Which versions are affected by CVE-2021-34587?
It affects 5 products.
Products include Bender Cc612 Firmware, Bender Cc613 Firmware, Bender Icc15xx Firmware, Bender Icc16xx Firmware, Ibm Ibm Rational Lifecycle Integration Adapter for Windchill.
How do I fix CVE-2021-34587?
No fix has been published for CVE-2021-34587 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-34587 being exploited?
There is no known exploitation of CVE-2021-34587 in the wild and no public exploit code.
Other vulnerabilities in Bender / ebee CC612
- CVE-2021-34601 Bender Charge Controller: Hardcoded Credentials in Charge Controller
- CVE-2021-34592 Bender Charge Controller: Command injection via Web interface
- CVE-2021-34602 Bender Charge Controller: Long URL could lead to webserver crash
- CVE-2021-34588 Bender Charge Controller: Unprotected data export
- CVE-2021-34591 Bender Charge Controller: Local privilege Escalation
Sources
Also known as GHSA-47xc-94f4-86xr.