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{"id": "CVE-2019-19330", "vendorId": null, "type": "cve", "bulletinFamily": "NVD", "title": "CVE-2019-19330", "description": "The HTTP/2 implementation in HAProxy before 2.0.10 mishandles headers, as demonstrated by carriage return (CR, ASCII 0xd), line feed (LF, ASCII 0xa), and the zero character (NUL, ASCII 0x0), aka Intermediary Encapsulation Attacks.", "published": "2019-11-27T16:15:00", "modified": "2020-08-18T15:05:00", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}, "cvss2": {"cvssV2": {"version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "baseScore": 7.5}, "severity": "HIGH", "exploitabilityScore": 10.0, "impactScore": 6.4, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, 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Successful exploitation of this vulnerability could allow a remote attacker to damage users system.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 9.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 5.9}, "published": "2020-08-02T00:00:00", "type": "checkpoint_advisories", "title": "HAProxy HTTP2 CRLF Injection (CVE-2019-19330)", "bulletinFamily": "info", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": 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PHSA-2020-0047", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.3, "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2019-15845", "CVE-2019-16201", "CVE-2019-16255", "CVE-2019-17498", "CVE-2019-17594", "CVE-2019-17595", "CVE-2019-18934", "CVE-2019-19012", "CVE-2019-19203", "CVE-2019-19204", "CVE-2019-19246", "CVE-2019-19330", "CVE-2019-19604", "CVE-2019-19725", "CVE-2019-5815", "CVE-2020-5247"], "modified": "2020-01-16T00:00:00", "id": "PHSA-2020-0047", "href": "https://github.com/vmware/photon/wiki/Security-Update-3.0-47", "cvss": {"score": 9.3, "vector": "AV:N/AC:M/Au:N/C:C/I:C/A:C"}}], "debiancve": [{"lastseen": "2023-03-19T02:07:16", "description": "The HTTP/2 implementation in HAProxy before 2.0.10 mishandles headers, as demonstrated by carriage return (CR, ASCII 0xd), line feed (LF, ASCII 0xa), and the zero character (NUL, ASCII 0x0), aka Intermediary Encapsulation Attacks.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2019-11-27T16:15:00", "type": "debiancve", "title": "CVE-2019-19330", "bulletinFamily": "info", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2019-19330"], "modified": "2019-11-27T16:15:00", "id": "DEBIANCVE:CVE-2019-19330", "href": "https://security-tracker.debian.org/tracker/CVE-2019-19330", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "debian": [{"lastseen": "2021-10-23T08:49:55", "description": "- -------------------------------------------------------------------------\nDebian Security Advisory DSA-4577-1 security@debian.org\nhttps://www.debian.org/security/ Sebastien Delafond\nNovember 28, 2019 https://www.debian.org/security/faq\n- -------------------------------------------------------------------------\n\nPackage : haproxy\nCVE ID : CVE-2019-19330\n\nTim D\u00fcsterhus discovered that haproxy, a TCP/HTTP reverse proxy, did\nnot properly sanitize HTTP headers when converting from HTTP/2 to\nHTTP/1. This would allow a remote user to perform CRLF injections.\n\nFor the stable distribution (buster), this problem has been fixed in\nversion 1.8.19-1+deb10u1.\n\nWe recommend that you upgrade your haproxy packages.\n\nFor the detailed security status of haproxy please refer to\nits security tracker page at:\nhttps://security-tracker.debian.org/tracker/haproxy\n\nFurther information about Debian Security Advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: https://www.debian.org/security/\n\nMailing list: debian-security-announce@lists.debian.org", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 9.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 5.9}, "published": "2019-11-28T08:20:22", "type": "debian", "title": "[SECURITY] [DSA 4577-1] haproxy security update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.4, "obtainUserPrivilege": false}, "cvelist": ["CVE-2019-19330"], "modified": "2019-11-28T08:20:22", "id": "DEBIAN:DSA-4577-1:14154", "href": "https://lists.debian.org/debian-security-announce/2019/msg00230.html", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2021-11-29T22:14:02", "description": "- -------------------------------------------------------------------------\nDebian Security Advisory DSA-4577-1 security@debian.org\nhttps://www.debian.org/security/ Sebastien Delafond\nNovember 28, 2019 https://www.debian.org/security/faq\n- -------------------------------------------------------------------------\n\nPackage : haproxy\nCVE ID : CVE-2019-19330\n\nTim D\u00fcsterhus discovered that haproxy, a TCP/HTTP reverse proxy, did\nnot properly sanitize HTTP headers when converting from HTTP/2 to\nHTTP/1. This would allow a remote user to perform CRLF injections.\n\nFor the stable distribution (buster), this problem has been fixed in\nversion 1.8.19-1+deb10u1.\n\nWe recommend that you upgrade your haproxy packages.\n\nFor the detailed security status of haproxy please refer to\nits security tracker page at:\nhttps://security-tracker.debian.org/tracker/haproxy\n\nFurther information about Debian Security Advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: https://www.debian.org/security/\n\nMailing list: debian-security-announce@lists.debian.org", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 9.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 5.9}, "published": "2019-11-28T08:20:22", "type": "debian", "title": "[SECURITY] [DSA 4577-1] haproxy security update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.4, "obtainUserPrivilege": false}, "cvelist": ["CVE-2019-19330"], "modified": "2019-11-28T08:20:22", "id": "DEBIAN:DSA-4577-1:BD5F5", "href": "https://lists.debian.org/debian-security-announce/2019/msg00230.html", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "veracode": [{"lastseen": "2022-07-27T10:09:30", "description": "haproxy is vulnerable to CRLF injection. The HTTP/2 implementation is vulnerable to intermediary encapsulation attacks due to lack of validation for CRLF characters, zero and null characters in headers,\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2020-05-06T03:21:44", "type": "veracode", "title": "CRLF Injection", "bulletinFamily": "software", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2019-19330"], "modified": "2022-04-19T18:45:45", "id": "VERACODE:25185", "href": "https://sca.analysiscenter.veracode.com/vulnerability-database/security/1/1/sid-25185/summary", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "ibm": [{"lastseen": "2023-02-27T21:48:21", "description": "## Summary\n\nHAProxy vulnerability CVE-2019-19330 impacts IBM Aspera High-Speed Transfer Server and Aspera High-Speed Transfer Endpoint versions prior to V4.0. The fix for this set of vulnerabilities was delivered in IBM Aspera High-Speed Transfer Server V4.0.0 and IBM Aspera High-Speed Transfer Endpoint V4.0.0.\n\n## Vulnerability Details\n\n** CVEID: **[CVE-2019-19330](<https://vulners.com/cve/CVE-2019-19330>) \n** DESCRIPTION: **A mishandling of headers error in HTTP/2 implementation in HAProxy has an unknown impact via carriage return (CR, ASCII 0xd), line feed (LF, ASCII 0xa), and the zero character (NUL, ASCII 0x0), aka Intermediary Encapsulation Attacks. \nCVSS Base score: 7.3 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/172250](<https://exchange.xforce.ibmcloud.com/vulnerabilities/172250>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)\n\n## Affected Products and Versions\n\n**Affected Product(s)**| **Version(s)** \n---|--- \nIBM Aspera High-Speed Transfer Server| 3.9.6.2 and earlier \nIBM Aspera High-Speed Transfer Endpoint| 3.9.6.2 and earlier \n \n \n\n\n## Remediation/Fixes\n\nThe fix for this set of vulnerabilities was delivered in IBM Aspera High-Speed Transfer Server V4.0.0 and IBM Aspera High-Speed Transfer Endpoint V4.0.0. \n\n**Product**| **VRMF**| **APAR**| **Remediation/First Fix** \n---|---|---|--- \nIBM Aspera High-Speed Transfer Server| 4.0.0| None| [https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm%7EOther%20software&amp;product=ibm/Other+software/IBM+Aspera+High-Speed+Transfer+Server&amp;release=4.0.0&amp;platform=All&amp;function=all](<https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm%7EOther%20software&product=ibm/Other+software/IBM+Aspera+High-Speed+Transfer+Server&release=4.0.0&platform=All&function=all> \"https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm%7EOther%20software&product=ibm/Other+software/IBM+Aspera+High-Speed+Transfer+Server&release=4.0.0&platform=All&function=all\" ) \nIBM Aspera High-Speed Transfer Endpoint| 4.0.0| None| [https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm%7EOther%20software&amp;product=ibm/Other+software/IBM+Aspera+High-Speed+Transfer+Endpoint&amp;release=4.0.0&amp;platform=All&amp;function=all](<https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm%7EOther%20software&product=ibm/Other+software/IBM+Aspera+High-Speed+Transfer+Endpoint&release=4.0.0&platform=All&function=all> \"https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm%7EOther%20software&product=ibm/Other+software/IBM+Aspera+High-Speed+Transfer+Endpoint&release=4.0.0&platform=All&function=all\" ) \n \n## Workarounds and Mitigations\n\nNone\n\n## ", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2020-12-10T23:19:40", "type": "ibm", "title": "Security Bulletin: HAProxy vulnerability CVE-2019-19330 impacts IBM Aspera High-Speed Transfer Server and Aspera High-Speed Transfer Endpoint versions prior to V4.0", "bulletinFamily": "software", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2019-19330"], "modified": "2020-12-10T23:19:40", "id": "1B7ADED424A5286234385936638A63164409521756C4DE9776D2C7E1D5892886", "href": "https://www.ibm.com/support/pages/node/6380932", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "osv": [{"lastseen": "2022-08-10T07:15:23", "description": "\nTim D\u0102\u017asterhus discovered that haproxy, a TCP/HTTP reverse proxy, did\nnot properly sanitize HTTP headers when converting from HTTP/2 to\nHTTP/1. This would allow a remote user to perform CRLF injections.\n\n\nFor the stable distribution (buster), this problem has been fixed in\nversion 1.8.19-1+deb10u1.\n\n\nWe recommend that you upgrade your haproxy packages.\n\n\nFor the detailed security status of haproxy please refer to\nits security tracker page at:\n[\\\nhttps://security-tracker.debian.org/tracker/haproxy](https://security-tracker.debian.org/tracker/haproxy)\n\n\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 9.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 5.9}, "published": "2019-11-28T00:00:00", "type": "osv", "title": "haproxy - security update", "bulletinFamily": "software", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.4, "obtainUserPrivilege": false}, "cvelist": ["CVE-2019-19330"], "modified": "2022-08-10T07:15:10", "id": "OSV:DSA-4577-1", "href": "https://osv.dev/vulnerability/DSA-4577-1", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "symantec": [{"lastseen": "2019-11-29T11:26:04", "description": "### Description\n\nHAProxy is prone to a CRLF-injection vulnerability. An attacker can exploit this issue to add arbitrary headers to a webpage. This may aid in further attacks. HAProxy versions prior to 2.0.10 are vulnerable.\n\n### Technologies Affected\n\n * haproxy haproxy 1.4 \n * haproxy haproxy 1.4.0 \n * haproxy haproxy 1.4.1 \n * haproxy haproxy 1.4.10 \n * haproxy haproxy 1.4.11 \n * haproxy haproxy 1.4.12 \n * haproxy haproxy 1.4.13 \n * haproxy haproxy 1.4.14 \n * haproxy haproxy 1.4.15 \n * haproxy haproxy 1.4.16 \n * haproxy haproxy 1.4.17 \n * haproxy haproxy 1.4.18 \n * haproxy haproxy 1.4.19 \n * haproxy haproxy 1.4.2 \n * haproxy haproxy 1.4.20 \n * haproxy haproxy 1.4.21 \n * haproxy haproxy 1.4.22 \n * haproxy haproxy 1.4.23 \n * haproxy haproxy 1.4.24 \n * haproxy haproxy 1.4.3 \n * haproxy haproxy 1.4.4 \n * haproxy haproxy 1.4.5 \n * haproxy haproxy 1.4.6 \n * haproxy haproxy 1.4.7 \n * haproxy haproxy 1.4.8 \n * haproxy haproxy 1.4.9 \n * haproxy haproxy 1.5 \n * haproxy haproxy 1.5.14 \n * haproxy haproxy 1.5.4 \n * haproxy haproxy 1.6.0 \n * haproxy haproxy 1.6.1 \n * haproxy haproxy 1.6.2 \n * haproxy haproxy 1.6.3 \n * haproxy haproxy 1.6.4 \n * haproxy haproxy 1.6.5 \n * haproxy haproxy 1.6.6 \n * haproxy haproxy 1.7.0 \n * haproxy haproxy 1.8.0 \n * haproxy haproxy 1.8.1 \n * haproxy haproxy 1.8.10 \n * haproxy haproxy 1.8.11 \n * haproxy haproxy 1.8.12 \n * haproxy haproxy 1.8.13 \n * haproxy haproxy 1.8.14 \n * haproxy haproxy 1.8.15 \n * haproxy haproxy 1.8.16 \n * haproxy haproxy 1.8.17 \n * haproxy haproxy 1.8.2 \n * haproxy haproxy 1.8.3 \n * haproxy haproxy 1.8.4 \n * haproxy haproxy 1.8.5 \n * haproxy haproxy 1.8.6 \n * haproxy haproxy 1.8.7 \n * haproxy haproxy 1.8.8 \n * haproxy haproxy 1.8.9 \n * haproxy haproxy 1.9.0 \n * haproxy haproxy 1.9.1 \n * haproxy haproxy 1.9.2 \n * haproxy haproxy 1.9.3 \n * haproxy haproxy 1.9.4 \n * haproxy haproxy 1.9.5 \n * haproxy haproxy 1.9.6 \n * haproxy haproxy 1.9.7 \n * haproxy haproxy 1.9.8 \n * haproxy haproxy 1.9.9 \n * haproxy haproxy 2.0.0 \n * haproxy haproxy 2.0.1 \n * haproxy haproxy 2.0.2 \n * haproxy haproxy 2.0.3 \n * haproxy haproxy 2.0.4 \n * haproxy haproxy 2.0.5 \n * haproxy haproxy 2.0.6 \n * haproxy haproxy 2.0.7 \n * haproxy haproxy 2.0.8 \n * haproxy haproxy 2.0.9 \n\n### Recommendations\n\n**Block external access at the network boundary, unless external parties require service.** \nAllow only trusted hosts and networks to connect to computers running the affected software. This will limit the potential for remote attackers to exploit this issue.\n\n**Run all software as a nonprivileged user with minimal access rights.** \nTo reduce the impact of latent vulnerabilities, run all applications with the minimal amount of privileges required for functionality. \n\n**Deploy network intrusion detection systems to monitor network traffic for malicious activity.** \nDeploy NIDS to monitor network traffic for signs of anomalous or suspicious activity. This includes but is not limited to malformed requests and unexplained incoming and outgoing traffic. This may indicate exploit attempts or activity that results from successful exploits.\n\nUpdates are available. Please see the references or vendor advisory for more information.\n", "cvss3": {}, "published": "2019-11-27T00:00:00", "type": "symantec", "title": "HAProxy CVE-2019-19330 CRLF Injection Vulnerability", "bulletinFamily": "software", "cvss2": {}, "cvelist": ["CVE-2019-19330"], "modified": "2019-11-27T00:00:00", "id": "SMNTC-111012", "href": "https://www.symantec.com/content/symantec/english/en/security-center/vulnerabilities/writeup.html/111012", "cvss": {"score": 0.0, "vector": "NONE"}}], "ubuntu": [{"lastseen": "2023-01-26T15:42:48", "description": "## Releases\n\n * Ubuntu 19.10 \n * Ubuntu 19.04 \n * Ubuntu 18.04 LTS\n\n## Packages\n\n * haproxy \\- fast and reliable load balancing reverse proxy\n\nTim D\u00fcsterhus discovered that HAProxy incorrectly handled certain HTTP/2 headers. \nAn attacker could possibly use this issue to execute arbitrary code through CRLF injection.\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2019-12-04T00:00:00", "type": "ubuntu", "title": "HAProxy vulnerability", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2019-19330"], "modified": "2019-12-04T00:00:00", "id": "USN-4212-1", "href": "https://ubuntu.com/security/notices/USN-4212-1", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "redhat": [{"lastseen": "2021-10-19T20:36:55", "description": "The haproxy packages provide a reliable, high-performance network load balancer for TCP and HTTP-based applications.\n\nThe following packages have been upgraded to a later upstream version: haproxy (1.8.23). (BZ#1774745)\n\nSecurity Fix(es):\n\n* haproxy: HTTP request smuggling issue with transfer-encoding header containing an obfuscated \"chunked\" value (CVE-2019-18277)\n\n* haproxy: HTTP/2 implementation vulnerable to intermediary encapsulation attacks (CVE-2019-19330)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Enterprise Linux 8.2 Release Notes linked from the References section.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 9.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 5.9}, "published": "2020-04-28T09:09:04", "type": "redhat", "title": "(RHSA-2020:1725) Moderate: haproxy security, bug fix, and enhancement update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.4, "obtainUserPrivilege": false}, "cvelist": ["CVE-2019-18277", "CVE-2019-19330"], "modified": "2020-04-28T10:49:07", "id": "RHSA-2020:1725", "href": "https://access.redhat.com/errata/RHSA-2020:1725", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2021-10-19T20:37:36", "description": "HAProxy is a TCP/HTTP reverse proxy which is particularly suited for high availability environments.\n\nThe following packages have been upgraded to a later upstream version: rh-haproxy18-haproxy (1.8.24). (BZ#1774747)\n\nSecurity Fix(es):\n\n* haproxy: HTTP request smuggling issue with transfer-encoding header containing an obfuscated \"chunked\" value (CVE-2019-18277)\n\n* haproxy: HTTP/2 implementation vulnerable to intermediary encapsulation attacks (CVE-2019-19330)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Software Collections 3.5 Release Notes linked from the References section.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 9.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 5.9}, "published": "2020-05-26T07:02:25", "type": "redhat", "title": "(RHSA-2020:2265) Moderate: rh-haproxy18-haproxy security, bug fix, and enhancement update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.4, "obtainUserPrivilege": false}, "cvelist": ["CVE-2019-18277", "CVE-2019-19330"], "modified": "2020-05-26T07:17:01", "id": "RHSA-2020:2265", "href": "https://access.redhat.com/errata/RHSA-2020:2265", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2021-10-19T20:38:47", "description": "Red Hat OpenShift Container Platform is Red Hat's cloud computing\nKubernetes application platform solution designed for on-premise or private\ncloud deployments.\n\nSecurity Fix(es):\n\n* haproxy: malformed HTTP/2 requests can lead to out-of-bounds writes (CVE-2020-11100)\n\n* haproxy: HTTP request smuggling issue with transfer-encoding header containing an obfuscated \"chunked\" value (CVE-2019-18277)\n\n* haproxy: HTTP/2 implementation vulnerable to intermediary encapsulation attacks (CVE-2019-19330)\n\nFor more details about the security issue(s), including the impact, a CVSS\nscore, acknowledgments, and other related information, refer to the CVE\npage(s)\nlisted in the References section.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 9.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 5.9}, "published": "2020-04-07T19:28:43", "type": "redhat", "title": "(RHSA-2020:1287) Critical: OpenShift Container Platform 3.11 security update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.4, "obtainUserPrivilege": false}, "cvelist": ["CVE-2019-18277", "CVE-2019-19330", "CVE-2020-11100"], "modified": "2020-04-07T19:29:07", "id": "RHSA-2020:1287", "href": "https://access.redhat.com/errata/RHSA-2020:1287", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2021-10-19T20:37:39", "description": "Red Hat OpenShift Container Platform is Red Hat's cloud computing\nKubernetes application platform solution designed for on-premise or private\ncloud deployments.\n\nSecurity Fix(es):\n\n* haproxy: malformed HTTP/2 requests could lead to out-of-bounds writes (CVE-2020-11100)\n\n* haproxy: HTTP request smuggling issue with transfer-encoding header containing an obfuscated \"chunked\" value (CVE-2019-18277)\n\n* haproxy: HTTP/2 implementation was vulnerable to intermediary encapsulation attacks (CVE-2019-19330)\n\nFor more details about the security issue(s), including the impact, a CVSS\nscore, acknowledgments, and other related information, refer to the CVE\npage(s)\nlisted in the References section.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 9.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 5.9}, "published": "2020-05-04T09:53:24", "type": "redhat", "title": "(RHSA-2020:1936) Moderate: OpenShift Container Platform 4.4.3 haproxy security update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.4, "obtainUserPrivilege": false}, "cvelist": ["CVE-2019-18277", "CVE-2019-19330", "CVE-2020-11100"], "modified": "2020-05-04T10:06:39", "id": "RHSA-2020:1936", "href": "https://access.redhat.com/errata/RHSA-2020:1936", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "oraclelinux": [{"lastseen": "2021-07-28T14:24:49", "description": "[1.8.23-3]\n- Fix hapack zero byte input causing overwrite (CVE-2020-11100, #1819519)\n[1.8.23-2]\n- Consider exist status 143 as success (#1778844)\n[1.8.23-1]\n- Update to 1.8.23 (#1774745)", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 9.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 5.9}, "published": "2020-05-05T00:00:00", "type": "oraclelinux", "title": "haproxy security, bug fix, and enhancement update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.4, "obtainUserPrivilege": false}, "cvelist": ["CVE-2019-18277", "CVE-2019-19330", "CVE-2020-11100"], "modified": "2020-05-05T00:00:00", "id": "ELSA-2020-1725", "href": "http://linux.oracle.com/errata/ELSA-2020-1725.html", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}]}