cve-2023-4255
Vulnerability from cvelistv5
Published
2023-12-21 16:08
Modified
2025-02-13 17:09
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Summary
An out-of-bounds write issue has been discovered in the backspace handling of the checkType() function in etc.c within the W3M application. This vulnerability is triggered by supplying a specially crafted HTML file to the w3m binary. Exploitation of this flaw could lead to application crashes, resulting in a denial of service condition.
References
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2255207Issue Tracking, Third Party Advisory
secalert@redhat.comhttps://github.com/tats/w3m/commit/edc602651c506aeeb60544b55534dd1722a340d3Patch
secalert@redhat.comhttps://github.com/tats/w3m/issues/268Exploit, Issue Tracking, Patch
secalert@redhat.comhttps://github.com/tats/w3m/pull/273Issue Tracking, Patch
secalert@redhat.comhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AULOBQJLXE2KCT5UVQMKGEFL4GFIAOED/
secalert@redhat.comhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MKFZQUK7FPWWJQYICDZZ4YWIPUPQ2D3R/
secalert@redhat.comhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TODROGVCWZ435HQIZE6ARQC5LPQLIA5C/
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=2255207Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/tats/w3m/commit/edc602651c506aeeb60544b55534dd1722a340d3Patch
af854a3a-2127-422b-91ae-364da2661108https://github.com/tats/w3m/issues/268Exploit, Issue Tracking, Patch
af854a3a-2127-422b-91ae-364da2661108https://github.com/tats/w3m/pull/273Issue Tracking, Patch
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AULOBQJLXE2KCT5UVQMKGEFL4GFIAOED/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MKFZQUK7FPWWJQYICDZZ4YWIPUPQ2D3R/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TODROGVCWZ435HQIZE6ARQC5LPQLIA5C/
Impacted products
Vendor Product Version
n/a w3m
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   Fedora Extra Packages for Enterprise Linux Create a notification for this product.
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   },
}


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