CVE-2021-41497 bounter Null pointer reference
Attackers can cause a denial of service in the bounter library by inputting a huge hash bucket width, triggering a null pointer dereference.
- 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-2021-41497?
CVE-2021-41497 is a high-severity vulnerability in n/a, published on 17 Dec 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Null pointer reference in CMS_Conservative_increment_obj in RaRe-Technologies bounter version 1.01 and 1.10, allows attackers to conduct Denial of Service attacks by inputting a huge width of hash bucket.
Weakness: CWE-476
Which versions are affected by CVE-2021-41497?
2 open source packages ship an affected version, including bounter. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
bounter PyPI | All versions to 1.2.0 | None |
bounter PyPI | All versions to 1.2.0 | None |
Products include Rare-Technologies Bounter.
How do I fix CVE-2021-41497?
No fix has been published for CVE-2021-41497 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-41497 being exploited?
There is no known exploitation of CVE-2021-41497 in the wild and no public exploit code.
Sources
Also known as GHSA-74xw-gwfm-7pv7.