CVE-2022-38223

Public Exploit

Description

There is an out-of-bounds write in checkType located in etc.c in w3m 0.5.3. It can be triggered by sending a crafted HTML file to the w3m binary. It allows an attacker to cause Denial of Service or possibly have unspecified other impact.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.10%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/tats/w3m/issues/242 third party advisory issue tracking exploit
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NRRZMTLG3YT6U3PSGJOAMLDNLRF2EUOP/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MKESIFZMWIFMI6DRGMUYOTVKBOSEKDXZ/ vendor advisory
https://lists.debian.org/debian-lts-announce/2023/08/msg00030.html mailing list
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AULOBQJLXE2KCT5UVQMKGEFL4GFIAOED/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TODROGVCWZ435HQIZE6ARQC5LPQLIA5C/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MKFZQUK7FPWWJQYICDZZ4YWIPUPQ2D3R/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-38223?
CVE-2022-38223 has been scored as a high severity vulnerability.
How to fix CVE-2022-38223?
To fix CVE-2022-38223, 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-2022-38223 being actively exploited in the wild?
It is possible that CVE-2022-38223 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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