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Mageia 8 MGASA-2023-0006 Critical: w3m DoS Issue from Out-Of-Bounds Write

mageia
Calendar Grey January 13, 2023
Dist Mageia Esm H88
Recent updates to the w3m packages address a significant security vulnerability in Mageia versions, which could lead to possible Denial of Service attacks.
There is an out-of-bounds write in checkType located in etc.c in w3m 0.5.3

Summary

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. (CVE-2022-38223)

References

- https://bugs.mageia.org/show_bug.cgi?id=31365

- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/NRRZMTLG3YT6U3PSGJOAMLDNLRF2EUOP/

- https://www.cve.org/CVERecord?id=CVE-2022-38223

Topics%20covered

Topics Covered

security advisory security update critical Denial of Service w3m out-of-bounds Mageia

Resolution

SRPMS

- 8/core/w3m-0.5.3-13.git20220429.1.mga8

Severity
critical
Lowest
Low
Medium
High
Critical

Publication date: 13 Jan 2023
URL: https://advisories.mageia.org/MGASA-2023-0006.html
Type: security
CVE: CVE-2022-38223

Topics%20covered

Topics Covered

security advisory security update critical Denial of Service w3m out-of-bounds Mageia

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