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For HTTP/2 and HTTP/3, the impact is limited because the headers disappear before being parsed and processed, as if they had not been sent by the client. The fixed versions are 2.7.3, 2.6.9, 2.5.12, 2.4.22, 2.2.29, and 2.0.31."}], "id": "CVE-2023-25725", "lastModified": "2025-03-20T20:15:29.773", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.2, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2023-02-14T19:15:11.530", "references": [{"source": "cve@mitre.org", "url": "https://git.haproxy.org/?p=haproxy-2.7.git%3Ba=commit%3Bh=a0e561ad7f29ed50c473f5a9da664267b60d1112"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2023/02/msg00012.html"}, {"source": "cve@mitre.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FPTJQHKUEU2PQ7RWFUYAFLAD4STEIKHU/"}, {"source": "cve@mitre.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JM5NCIBTHYDTLPY2UNC4HO2VAHHE6CJG/"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2023/dsa-5348"}, {"source": "cve@mitre.org", "tags": ["Product"], "url": "https://www.haproxy.org/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.haproxy.org/?p=haproxy-2.7.git%3Ba=commit%3Bh=a0e561ad7f29ed50c473f5a9da664267b60d1112"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2023/02/msg00012.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FPTJQHKUEU2PQ7RWFUYAFLAD4STEIKHU/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JM5NCIBTHYDTLPY2UNC4HO2VAHHE6CJG/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2023/dsa-5348"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Product"], "url": "https://www.haproxy.org/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-444"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2024:0746", "cpe": "cpe:/a:redhat:ceph_storage:5.3::el8", "package": "rhceph/rhceph-haproxy-rhel8:2.2.19-32", "product_name": "Red Hat Ceph Storage 5.3", "release_date": "2024-02-08T00:00:00Z"}, {"advisory": "RHSA-2023:1696", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "haproxy-0:2.4.17-3.el9_1.2", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-04-11T00:00:00Z"}, {"advisory": "RHSA-2023:1978", "cpe": "cpe:/a:redhat:rhel_eus:9.0", "package": "haproxy-0:2.4.7-2.el9_0.2", "product_name": "Red Hat Enterprise Linux 9.0 Extended Update Support", "release_date": "2023-04-25T00:00:00Z"}, {"advisory": "RHSA-2023:1655", "cpe": "cpe:/a:redhat:openshift:4.10::el8", "package": "haproxy-0:2.2.19-4.el8", "product_name": "Red Hat OpenShift Container Platform 4.10", "release_date": "2023-04-12T00:00:00Z"}, {"advisory": "RHBA-2023:1649", "cpe": "cpe:/a:redhat:openshift:4.11::el8", "package": "haproxy-0:2.2.24-3.rhaos4.11.el8", "product_name": "Red Hat OpenShift Container Platform 4.11", "release_date": "2023-04-12T00:00:00Z"}, {"advisory": "RHSA-2023:1268", "cpe": "cpe:/a:redhat:openshift:4.12::el8", "package": "haproxy-0:2.2.24-3.rhaos4.12.el8", "product_name": "Red Hat OpenShift Container Platform 4.12", "release_date": "2023-03-21T00:00:00Z"}, {"advisory": "RHSA-2023:1325", "cpe": "cpe:/a:redhat:openshift:4.13::el8", "package": "haproxy-0:2.2.24-3.rhaos4.13.el8", "product_name": "Red Hat OpenShift Container Platform 4.13", "release_date": "2023-05-18T00:00:00Z"}], "bugzilla": {"description": "haproxy: request smuggling attack in HTTP/1 header parsing", "id": "2169089", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2169089"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.2", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L", "status": "verified"}, "cwe": "CWE-444", "details": ["HAProxy before 2.7.3 may allow a bypass of access control because HTTP/1 headers are inadvertently lost in some situations, aka \"request smuggling.\" The HTTP header parsers in HAProxy may accept empty header field names, which could be used to truncate the list of HTTP headers and thus make some headers disappear after being parsed and processed for HTTP/1.0 and HTTP/1.1. For HTTP/2 and HTTP/3, the impact is limited because the headers disappear before being parsed and processed, as if they had not been sent by the client. The fixed versions are 2.7.3, 2.6.9, 2.5.12, 2.4.22, 2.2.29, and 2.0.31.", "A flaw was found in HAProxy's headers processing that causes HAProxy to drop important headers fields such as Connection, Content-length, Transfer-Encoding, and Host after having partially processed them. A maliciously crafted HTTP request could be used in an HTTP request smuggling attack to bypass filtering and detection by HAProxy."], "name": "CVE-2023-25725", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "haproxy", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "haproxy", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:openshift:3.11", "fix_state": "Out of support scope", "package_name": "haproxy", "product_name": "Red Hat OpenShift Container Platform 3.11"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:3", "fix_state": "Not affected", "package_name": "rh-haproxy18-haproxy", "product_name": "Red Hat Software Collections"}], "public_date": "2023-02-14T16:20:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-25725\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-25725\nhttps://www.haproxy.com/blog/february-2023-header-parser-fixed/\nhttps://www.mail-archive.com/haproxy@formilux.org/msg43229.html"], "statement": "Red Hat OpenStack Platform doesn't ship any haproxy code of its own and instead the openstack-haproxy-container consumes the `haproxy` RPM provided by RHEL.", "threat_severity": "Important"}

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