150 lines
6.6 KiB
JSON
150 lines
6.6 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-2026-104259",
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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": "2026-10-01T19:04:39.706Z",
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"datePublished": "2026-11-09T21:37:00.048Z",
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"dateUpdated": "2026-11-10T19:07:18.936Z"
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},
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"containers": {
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"cna": {
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"title": "ModSecurity: removeComments Transformation Fails to Strip Adjacent Comments, Enabling WAF Rule Bypass",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-670",
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"lang": "en",
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"description": "CWE-670: Always-Incorrect Control Flow Implementation",
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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": 5.4,
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"baseSeverity": "MEDIUM",
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"confidentialityImpact": "LOW",
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"integrityImpact": "LOW",
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"privilegesRequired": "NONE",
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"scope": "CHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/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/owasp-modsecurity/ModSecurity/security/advisories/GHSA-qrch-pjfr-9g47",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/owasp-modsecurity/ModSecurity/security/advisories/GHSA-qrch-pjfr-9g47"
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},
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{
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"name": "https://github.com/owasp-modsecurity/ModSecurity/commit/264f348ae1823cb71cead3650b74c165678a1d46",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/owasp-modsecurity/ModSecurity/commit/264f348ae1823cb71cead3650b74c165678a1d46"
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},
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{
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"name": "https://github.com/owasp-modsecurity/ModSecurity/commit/49a65f471d3130b91f7fff9bfac9fe8dd9b97c44",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/owasp-modsecurity/ModSecurity/commit/49a65f471d3130b91f7fff9bfac9fe8dd9b97c44"
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},
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{
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"name": "https://github.com/owasp-modsecurity/ModSecurity/releases/tag/v2.9.15",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/owasp-modsecurity/ModSecurity/releases/tag/v2.9.15"
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},
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{
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"name": "https://github.com/owasp-modsecurity/ModSecurity/releases/tag/v3.0.17",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/owasp-modsecurity/ModSecurity/releases/tag/v3.0.17"
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}
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],
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"affected": [
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{
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"vendor": "owasp-modsecurity",
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"product": "ModSecurity",
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"versions": [
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{
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"version": "< 2.9.15",
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"status": "affected"
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},
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{
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"version": ">= 3.0.0, < 3.0.17",
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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": "2026-11-09T21:37:00.048Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. Prior to 2.9.15 and 3.0.17, msre_fn_removeComments_execute in apache2/re_tfns.c and inplace() in src/actions/transformations/remove_comments.cc implement t:removeComments by copying the character immediately after a comment terminator without re-evaluating it. Adjacent comments can therefore leave a later comment in the transformed value, allowing inline-comment obfuscation to bypass rules that depend on comment stripping. When a comment terminator is the final content, the same copy reads one byte beyond the input buffer. This issue is fixed in versions 2.9.15 and 3.0.17."
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}
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],
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"source": {
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"advisory": "GHSA-qrch-pjfr-9g47",
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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": "2026-11-10T18:18:32.704323Z",
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"id": "CVE-2026-104259",
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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": "2026-11-10T19:07:18.936Z"
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}
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}
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]
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}
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} |