{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-4255","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","state":"PUBLISHED","assignerShortName":"redhat","dateReserved":"2023-08-08T20:16:01.838Z","datePublished":"2023-12-21T16:08:39.691Z","dateUpdated":"2025-02-13T17:09:26.229Z"},"containers":{"cna":{"title":"W3m: out-of-bounds write in function checktype() in etc.c (incomplete fix for cve-2022-38223)","metrics":[{"other":{"content":{"value":"Moderate","namespace":"https://access.redhat.com/security/updates/classification/"},"type":"Red Hat severity rating"}},{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":5.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","version":"3.1"},"format":"CVSS"}],"descriptions":[{"lang":"en","value":"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."}],"affected":[{"product":"w3m","vendor":"n/a","defaultStatus":"affected"},{"product":"Fedora","vendor":"Fedora","collectionURL":"https://packages.fedoraproject.org/","packageName":"w3m","defaultStatus":"affected"},{"product":"Extra Packages for Enterprise Linux","vendor":"Fedora","collectionURL":"https://packages.fedoraproject.org/","packageName":"w3m","defaultStatus":"affected"}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2255207","name":"RHBZ#2255207","tags":["issue-tracking","x_refsource_REDHAT"]},{"url":"https://github.com/tats/w3m/commit/edc602651c506aeeb60544b55534dd1722a340d3"},{"url":"https://github.com/tats/w3m/issues/268"},{"url":"https://github.com/tats/w3m/pull/273"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AULOBQJLXE2KCT5UVQMKGEFL4GFIAOED/"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TODROGVCWZ435HQIZE6ARQC5LPQLIA5C/"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MKFZQUK7FPWWJQYICDZZ4YWIPUPQ2D3R/"}],"datePublic":"2023-06-12T00:00:00.000Z","problemTypes":[{"descriptions":[{"cweId":"CWE-787","description":"Out-of-bounds Write","lang":"en","type":"CWE"}]}],"x_redhatCweChain":"CWE-787: Out-of-bounds Write","timeline":[{"lang":"en","time":"2023-07-19T00:00:00.000Z","value":"Reported to Red Hat."},{"lang":"en","time":"2023-06-12T00:00:00.000Z","value":"Made public."}],"credits":[{"lang":"en","value":"Red Hat would like to thank iskindar97@gmail.com for reporting this issue."}],"providerMetadata":{"orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","shortName":"redhat","dateUpdated":"2024-03-27T02:06:14.580Z"}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T07:24:03.587Z"},"title":"CVE Program Container","references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2255207","name":"RHBZ#2255207","tags":["issue-tracking","x_refsource_REDHAT","x_transferred"]},{"url":"https://github.com/tats/w3m/commit/edc602651c506aeeb60544b55534dd1722a340d3","tags":["x_transferred"]},{"url":"https://github.com/tats/w3m/issues/268","tags":["x_transferred"]},{"url":"https://github.com/tats/w3m/pull/273","tags":["x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AULOBQJLXE2KCT5UVQMKGEFL4GFIAOED/","tags":["x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TODROGVCWZ435HQIZE6ARQC5LPQLIA5C/","tags":["x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MKFZQUK7FPWWJQYICDZZ4YWIPUPQ2D3R/","tags":["x_transferred"]}]}]}}