CVE-2021-33592 Code injection in NAVER Toolbar
Remote attackers can execute arbitrary code by exploiting a code signing bypass in the NAVER Toolbar upgrade mechanism.
- 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-2021-33592?
CVE-2021-33592 is a critical code injection vulnerability in NAVER Toolbar, published on 19 Jul 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
NAVER Toolbar before 4.0.30.323 allows remote attackers to execute arbitrary code via a crafted upgrade.xml file. Special characters in filename parameter can be the cause of bypassing code signing check function.
Weakness: CWE-20
Which versions are affected by CVE-2021-33592?
It affects 1 product.
Products include Naver Toolbar.
How do I fix CVE-2021-33592?
No fix has been published for CVE-2021-33592 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2021-33592 being exploited?
There is no known exploitation of CVE-2021-33592 in the wild and no public exploit code.
Sources
Also known as GHSA-v67h-j6jf-6wcf.