136 lines
6.0 KiB
JSON
136 lines
6.0 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-55612",
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"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"state": "PUBLISHED",
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"assignerShortName": "GitHub_M",
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"dateReserved": "2026-06-16T23:31:22.445Z",
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"datePublished": "2026-10-30T22:00:19.756Z",
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"dateUpdated": "2026-11-02T18:09:13.455Z"
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},
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"containers": {
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"cna": {
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"title": "uhttpd vulnerable to HTTP request smuggling via invalid chunk-length state reset",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-444",
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"lang": "en",
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"description": "CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')",
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"type": "CWE"
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}
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]
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"attackComplexity": "HIGH",
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"attackVector": "NETWORK",
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"availabilityImpact": "NONE",
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"baseScore": 3.7,
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"baseSeverity": "LOW",
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"confidentialityImpact": "NONE",
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"integrityImpact": "LOW",
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"privilegesRequired": "NONE",
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"scope": "UNCHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N",
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"version": "3.1"
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}
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}
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],
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"references": [
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{
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"name": "https://github.com/openwrt/uhttpd/security/advisories/GHSA-p55c-rmhc-qfm5",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/openwrt/uhttpd/security/advisories/GHSA-p55c-rmhc-qfm5"
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},
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{
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"name": "https://github.com/openwrt/uhttpd/commit/34460b8211d676ef1b9f40d6b775c5e112933690",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/openwrt/uhttpd/commit/34460b8211d676ef1b9f40d6b775c5e112933690"
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},
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{
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"name": "https://github.com/openwrt/uhttpd/commit/b78f518478794e16ba3568fc1258e40bf3e8eb3b",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/openwrt/uhttpd/commit/b78f518478794e16ba3568fc1258e40bf3e8eb3b"
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}
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],
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"affected": [
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{
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"vendor": "openwrt",
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"product": "uhttpd",
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"versions": [
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{
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"version": ">= b7c85a2819b3869279a669d5681f574824589c6c, < b78f518478794e16ba3568fc1258e40bf3e8eb3b",
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"status": "affected"
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},
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{
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"version": ">= b7c85a2819b3869279a669d5681f574824589c6c, < 34460b8211d676ef1b9f40d6b775c5e112933690",
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"status": "affected"
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}
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]
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}
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],
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"providerMetadata": {
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"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"shortName": "GitHub_M",
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"dateUpdated": "2026-10-30T22:00:19.756Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "uhttpd is a small HTTP server. In unpatched repository snapshots, `client_poll_post_data()` in `client.c` consumes an invalid chunk-length line, such as a size exceeding INT_MAX, then clears `r->content_length` and `r->transfer_chunked` without draining the remaining body or setting `request.connection_close`. The completion check treats the chunked POST as finished and the keep-alive parser returns to `CLIENT_STATE_INIT`. Attacker-controlled body bytes aligned as a complete HTTP request are then parsed and processed as another request on the same connection, causing HTTP request smuggling and request-boundary desynchronization. Commits b78f518478794e16ba3568fc1258e40bf3e8eb3b and 34460b8211d676ef1b9f40d6b775c5e112933690 patch the issue."
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}
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],
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"source": {
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"advisory": "GHSA-p55c-rmhc-qfm5",
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"discovery": "UNKNOWN"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-11-02T17:03:23.416603Z",
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"id": "CVE-2026-55612",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-11-02T18:09:13.455Z"
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}
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}
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]
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}
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} |