147 lines
6.3 KiB
JSON
147 lines
6.3 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-2026-55159",
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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": "2026-06-16T15:13:28.165Z",
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"datePublished": "2026-09-21T19:24:03.581Z",
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"dateUpdated": "2026-09-29T14:01:11.023Z"
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},
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"containers": {
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"cna": {
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"title": "luci-app-adblock-fast: Delegated `luci-app-adblock-fast` users can reach root command execution by injecting newline-separated cron entries",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-93",
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"lang": "en",
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"description": "CWE-93: Improper Neutralization of CRLF Sequences ('CRLF Injection')",
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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": "LOW",
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"attackVector": "NETWORK",
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"availabilityImpact": "HIGH",
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"baseScore": 8.8,
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"baseSeverity": "HIGH",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"privilegesRequired": "LOW",
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"scope": "UNCHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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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/luci/security/advisories/GHSA-ggpf-xrph-wg5v",
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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/luci/security/advisories/GHSA-ggpf-xrph-wg5v"
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},
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{
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"name": "https://github.com/openwrt/luci/pull/8705",
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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/luci/pull/8705"
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},
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{
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"name": "https://github.com/openwrt/luci/commit/9ccd99b5898457e5ef39dc21aea226d7fb6e5c7e",
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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/luci/commit/9ccd99b5898457e5ef39dc21aea226d7fb6e5c7e"
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},
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{
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"name": "https://github.com/openwrt/luci/commit/f67461fd0255bf992b2b559c22ec288067f2f9da",
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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/luci/commit/f67461fd0255bf992b2b559c22ec288067f2f9da"
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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": "luci-app-adblock-fast",
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"versions": [
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{
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"version": "< 1.2.4-2",
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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": "2026-09-21T19:24:03.581Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "luci-app-adblock-fast a WebUI for fast, lightweight DNS-based ad-blocker for OpenWrt that works with dnsmasq, smartdns, or unbound. Prior to 1.2.4-2, the luci.adblock-fast.setCronEntry RPC method accepts an entry argument containing carriage-return or line-feed characters and serializes it into /etc/crontabs/root as though it were one logical line. An authenticated delegated user with the luci-app-adblock-fast write ACL can therefore create an additional physical root cron entry through applications/luci-app-adblock-fast/root/usr/share/rpcd/ucode/luci.adblock-fast, resulting in persistent command execution as UID 0 when cron runs. The issue is not demonstrated for unauthenticated callers or users without the component write ACL. This vulnerability is fixed in 1.2.4-2."
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}
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],
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"source": {
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"advisory": "GHSA-ggpf-xrph-wg5v",
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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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"references": [
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{
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"url": "https://github.com/openwrt/luci/security/advisories/GHSA-ggpf-xrph-wg5v",
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"tags": [
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"exploit"
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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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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-09-29T14:01:03.903448Z",
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"id": "CVE-2026-55159",
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"options": [
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{
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"Exploitation": "poc"
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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": "total"
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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": "2026-09-29T14:01:11.023Z"
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}
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}
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]
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}
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} |