VulnerabilityModified
CVE-2022-38223
There is an out-of-bounds write in checkType located in etc.c in w3m 0.5.3.
HIGH 7.8EPSS 0.47%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.47%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a 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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 0.47% probability · 39th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- tats/w3m · fedoraproject/fedora
- Source
- cve@mitre.org
References
- https://github.com/tats/w3m/issues/242Exploit, Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/08/msg00030.html
- 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/MKFZQUK7FPWWJQYICDZZ4YWIPUPQ2D3R/
- 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://github.com/tats/w3m/issues/242Exploit, Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/08/msg00030.html
- 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/MKFZQUK7FPWWJQYICDZZ4YWIPUPQ2D3R/
- 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@lists.fedoraproject.org/message/AULOBQJLXE2KCT5UVQMKGEFL4GFIAOED/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TODROGVCWZ435HQIZE6ARQC5LPQLIA5C/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.