CVE-2021-33833

Public Exploit

Description

ConnMan (aka Connection Manager) 1.30 through 1.39 has a stack-based buffer overflow in uncompress in dnsproxy.c via NAME, RDATA, or RDLENGTH (for A or AAAA).

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.15%
Vendor Advisory gentoo.org Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://lore.kernel.org/connman/ vendor advisory
http://www.openwall.com/lists/oss-security/2021/06/09/1 third party advisory mailing list
https://security.gentoo.org/glsa/202107-29 third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2022/01/25/1 mailing list exploit third party advisory
https://lists.debian.org/debian-lts-announce/2022/02/msg00009.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2021-33833?
CVE-2021-33833 has been scored as a critical severity vulnerability.
How to fix CVE-2021-33833?
To fix CVE-2021-33833, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-33833 being actively exploited in the wild?
It is possible that CVE-2021-33833 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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