CVE-2022-38223
First published: Mon Aug 15 2022(Updated: )
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.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Tats W3m | =0.5.3 | |
| Fedoraproject Fedora | =36 | |
| Fedoraproject Fedora | =37 | |
| W3m Project W3m | =0.5.3 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://github.com/tats/w3m/issues/242
- https://lists.debian.org/debian-lts-announce/2023/08/msg00030.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MKESIFZMWIFMI6DRGMUYOTVKBOSEKDXZ/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NRRZMTLG3YT6U3PSGJOAMLDNLRF2EUOP/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AULOBQJLXE2KCT5UVQMKGEFL4GFIAOED/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MKESIFZMWIFMI6DRGMUYOTVKBOSEKDXZ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NRRZMTLG3YT6U3PSGJOAMLDNLRF2EUOP/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TODROGVCWZ435HQIZE6ARQC5LPQLIA5C/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MKFZQUK7FPWWJQYICDZZ4YWIPUPQ2D3R/
Frequently Asked Questions
What is CVE-2022-38223?
CVE-2022-38223 is a vulnerability in w3m 0.5.3 that allows an attacker to trigger an out-of-bounds write in the 'checkType' function, potentially causing a Denial of Service or other unspecified impact.
How can CVE-2022-38223 be triggered?
CVE-2022-38223 can be triggered by sending a crafted HTML file to the w3m binary.
What is the severity of CVE-2022-38223?
CVE-2022-38223 has a severity score of 7.8, which is considered high.
Which software versions are affected by CVE-2022-38223?
The vulnerability affects w3m 0.5.3, as well as Fedora 36 and Fedora 37.
How can I fix CVE-2022-38223?
To fix CVE-2022-38223, update to a version of w3m that is not affected by the vulnerability, and ensure any affected Fedora systems are updated to a patched version.
- collector/nvd-index
- agent/type
- agent/author
- agent/weakness
- agent/severity
- agent/softwarecombine
- agent/references
- agent/description
- agent/first-publish-date
- agent/tags
- agent/event
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- agent/last-modified-date
- collector/mitre-cve
- source/MITRE
- vendor/w3m project
- canonical/w3m project w3m
- version/w3m project w3m/0.5.3
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/36
- version/fedoraproject fedora/37
- vendor/tats
- canonical/tats w3m
- version/tats w3m/0.5.3