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CVE-2023-0836 (GCVE-0-2023-0836)
Vulnerability from cvelistv5
Published
2023-03-29 00:00
Modified
2025-02-18 16:42
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
An information leak vulnerability was discovered in HAProxy 2.1, 2.2 before 2.2.27, 2.3, 2.4 before 2.4.21, 2.5 before 2.5.11, 2.6 before 2.6.8, 2.7 before 2.7.1. There are 5 bytes left uninitialized in the connection buffer when encoding the FCGI_BEGIN_REQUEST record. Sensitive data may be disclosed to configured FastCGI backends in an unexpected way.
References
Impacted products
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RHSA-2023:6496
Vulnerability from csaf_redhat
Published
2023-11-07 08:18
Modified
2025-09-10 15:07
Summary
Red Hat Security Advisory: haproxy security and bug fix update
Notes
Topic
An update for haproxy is now available for Red Hat Enterprise Linux 9.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
The haproxy packages provide a reliable, high-performance network load balancer for TCP and HTTP-based applications.
Security Fix(es):
* haproxy: data leak via fcgi requests (CVE-2023-0836)
For 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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 9.3 Release Notes linked from the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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rhsa-2023:6496
Vulnerability from csaf_redhat
Published
2023-11-07 08:18
Modified
2025-09-10 15:07
Summary
Red Hat Security Advisory: haproxy security and bug fix update
Notes
Topic
An update for haproxy is now available for Red Hat Enterprise Linux 9.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
The haproxy packages provide a reliable, high-performance network load balancer for TCP and HTTP-based applications.
Security Fix(es):
* haproxy: data leak via fcgi requests (CVE-2023-0836)
For 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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 9.3 Release Notes linked from the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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rhsa-2023_6496
Vulnerability from csaf_redhat
Published
2023-11-07 08:18
Modified
2024-11-22 23:48
Summary
Red Hat Security Advisory: haproxy security and bug fix update
Notes
Topic
An update for haproxy is now available for Red Hat Enterprise Linux 9.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
The haproxy packages provide a reliable, high-performance network load balancer for TCP and HTTP-based applications.
Security Fix(es):
* haproxy: data leak via fcgi requests (CVE-2023-0836)
For 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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 9.3 Release Notes linked from the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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"AppStream-9.3.0.GA:haproxy-debuginfo-0:2.4.22-1.el9.aarch64",
"AppStream-9.3.0.GA:haproxy-debuginfo-0:2.4.22-1.el9.ppc64le",
"AppStream-9.3.0.GA:haproxy-debuginfo-0:2.4.22-1.el9.s390x",
"AppStream-9.3.0.GA:haproxy-debuginfo-0:2.4.22-1.el9.x86_64",
"AppStream-9.3.0.GA:haproxy-debugsource-0:2.4.22-1.el9.aarch64",
"AppStream-9.3.0.GA:haproxy-debugsource-0:2.4.22-1.el9.ppc64le",
"AppStream-9.3.0.GA:haproxy-debugsource-0:2.4.22-1.el9.s390x",
"AppStream-9.3.0.GA:haproxy-debugsource-0:2.4.22-1.el9.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "haproxy: data leak via fcgi requests"
}
]
}
wid-sec-w-2023-0716
Vulnerability from csaf_certbund
Published
2023-03-22 23:00
Modified
2023-11-07 23:00
Summary
HAProxy Enterprise: Schwachstelle ermöglicht Offenlegung von Informationen
Notes
Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung
HAProxy Enterprise ist ein weit verbreiteter Open Source Software Load Balancer und Application Delivery Controller.
Angriff
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in HAProxy Enterprise ausnutzen, um Informationen offenzulegen.
Betroffene Betriebssysteme
- Sonstiges
{
"document": {
"aggregate_severity": {
"text": "mittel"
},
"category": "csaf_base",
"csaf_version": "2.0",
"distribution": {
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "de-DE",
"notes": [
{
"category": "legal_disclaimer",
"text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
},
{
"category": "description",
"text": "HAProxy Enterprise ist ein weit verbreiteter Open Source Software Load Balancer und Application Delivery Controller.",
"title": "Produktbeschreibung"
},
{
"category": "summary",
"text": "Ein entfernter, anonymer Angreifer kann eine Schwachstelle in HAProxy Enterprise ausnutzen, um Informationen offenzulegen.",
"title": "Angriff"
},
{
"category": "general",
"text": "- Sonstiges",
"title": "Betroffene Betriebssysteme"
}
],
"publisher": {
"category": "other",
"contact_details": "csaf-provider@cert-bund.de",
"name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
"namespace": "https://www.bsi.bund.de"
},
"references": [
{
"category": "self",
"summary": "WID-SEC-W-2023-0716 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-0716.json"
},
{
"category": "self",
"summary": "WID-SEC-2023-0716 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-0716"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2023:6496 vom 2023-11-07",
"url": "https://access.redhat.com/errata/RHSA-2023:6496"
},
{
"category": "external",
"summary": "Amazon Linux Security Advisory ALASHAPROXY2-2023-002 vom 2023-09-27",
"url": "https://alas.aws.amazon.com/AL2/ALASHAPROXY2-2023-002.html"
},
{
"category": "external",
"summary": "Debian Security Advisory DSA-5388 vom 2023-04-14",
"url": "https://www.debian.org/security/2023/dsa-5388"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-5994-1 vom 2023-04-03",
"url": "https://ubuntu.com/security/notices/USN-5994-1"
},
{
"category": "external",
"summary": "Red Hat Bugzilla \u2013 Bug 2180746 vom 2023-03-22",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2180746"
}
],
"source_lang": "en-US",
"title": "HAProxy Enterprise: Schwachstelle erm\u00f6glicht Offenlegung von Informationen",
"tracking": {
"current_release_date": "2023-11-07T23:00:00.000+00:00",
"generator": {
"date": "2024-08-15T17:47:06.698+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.3.5"
}
},
"id": "WID-SEC-W-2023-0716",
"initial_release_date": "2023-03-22T23:00:00.000+00:00",
"revision_history": [
{
"date": "2023-03-22T23:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2023-04-03T22:00:00.000+00:00",
"number": "2",
"summary": "Neue Updates von Ubuntu aufgenommen"
},
{
"date": "2023-04-13T22:00:00.000+00:00",
"number": "3",
"summary": "Neue Updates von Debian aufgenommen"
},
{
"date": "2023-09-27T22:00:00.000+00:00",
"number": "4",
"summary": "Neue Updates von Amazon aufgenommen"
},
{
"date": "2023-11-07T23:00:00.000+00:00",
"number": "5",
"summary": "Neue Updates von Red Hat aufgenommen"
}
],
"status": "final",
"version": "5"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"category": "product_name",
"name": "Amazon Linux 2",
"product": {
"name": "Amazon Linux 2",
"product_id": "398363",
"product_identification_helper": {
"cpe": "cpe:/o:amazon:linux_2:-"
}
}
}
],
"category": "vendor",
"name": "Amazon"
},
{
"branches": [
{
"category": "product_name",
"name": "Debian Linux",
"product": {
"name": "Debian Linux",
"product_id": "2951",
"product_identification_helper": {
"cpe": "cpe:/o:debian:debian_linux:-"
}
}
}
],
"category": "vendor",
"name": "Debian"
},
{
"branches": [
{
"branches": [
{
"category": "product_name",
"name": "HAProxy Enterprise \u003c 2.2.27",
"product": {
"name": "HAProxy Enterprise \u003c 2.2.27",
"product_id": "1343467",
"product_identification_helper": {
"cpe": "cpe:/a:haproxy:haproxy:2.2.27"
}
}
},
{
"category": "product_name",
"name": "HAProxy Enterprise \u003c 2.4.21",
"product": {
"name": "HAProxy Enterprise \u003c 2.4.21",
"product_id": "1343492",
"product_identification_helper": {
"cpe": "cpe:/a:haproxy:haproxy:2.4.21"
}
}
},
{
"category": "product_name",
"name": "HAProxy Enterprise \u003c 2.5.11",
"product": {
"name": "HAProxy Enterprise \u003c 2.5.11",
"product_id": "1343501",
"product_identification_helper": {
"cpe": "cpe:/a:haproxy:haproxy:2.5.11"
}
}
},
{
"category": "product_name",
"name": "HAProxy Enterprise \u003c 2.6.8",
"product": {
"name": "HAProxy Enterprise \u003c 2.6.8",
"product_id": "1343509",
"product_identification_helper": {
"cpe": "cpe:/a:haproxy:haproxy:2.6.8"
}
}
},
{
"category": "product_name",
"name": "HAProxy Enterprise \u003c 2.7.1",
"product": {
"name": "HAProxy Enterprise \u003c 2.7.1",
"product_id": "1343510",
"product_identification_helper": {
"cpe": "cpe:/a:haproxy:haproxy:2.7.1"
}
}
},
{
"category": "product_name",
"name": "HAProxy Enterprise \u003c 2.8",
"product": {
"name": "HAProxy Enterprise \u003c 2.8",
"product_id": "T026852",
"product_identification_helper": {
"cpe": "cpe:/a:haproxy:haproxy:2.8"
}
}
}
],
"category": "product_name",
"name": "Enterprise"
}
],
"category": "vendor",
"name": "HAProxy"
},
{
"branches": [
{
"category": "product_name",
"name": "Red Hat Enterprise Linux",
"product": {
"name": "Red Hat Enterprise Linux",
"product_id": "67646",
"product_identification_helper": {
"cpe": "cpe:/o:redhat:enterprise_linux:-"
}
}
}
],
"category": "vendor",
"name": "Red Hat"
},
{
"branches": [
{
"category": "product_name",
"name": "Ubuntu Linux",
"product": {
"name": "Ubuntu Linux",
"product_id": "T000126",
"product_identification_helper": {
"cpe": "cpe:/o:canonical:ubuntu_linux:-"
}
}
}
],
"category": "vendor",
"name": "Ubuntu"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2023-0836",
"notes": [
{
"category": "description",
"text": "Es existiert eine Schwachstelle in HAProxy Enterprise. Der Fehler besteht aufgrund von 5 Bytes, die bei der Kodierung des \"FCGI_BEGIN_REQUEST\"-Datensatzes im Verbindungspuffer uninitialisiert bleiben. Ein entfernter, anonymer Angreifer kann diese Schwachstelle ausnutzen, um vertrauliche Informationen f\u00fcr konfigurierte FastCGI-Backends offenzulegen."
}
],
"product_status": {
"known_affected": [
"2951",
"67646",
"T000126",
"398363"
]
},
"release_date": "2023-03-22T23:00:00.000+00:00",
"title": "CVE-2023-0836"
}
]
}
WID-SEC-W-2023-0716
Vulnerability from csaf_certbund
Published
2023-03-22 23:00
Modified
2023-11-07 23:00
Summary
HAProxy Enterprise: Schwachstelle ermöglicht Offenlegung von Informationen
Notes
Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung
HAProxy Enterprise ist ein weit verbreiteter Open Source Software Load Balancer und Application Delivery Controller.
Angriff
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in HAProxy Enterprise ausnutzen, um Informationen offenzulegen.
Betroffene Betriebssysteme
- Sonstiges
{
"document": {
"aggregate_severity": {
"text": "mittel"
},
"category": "csaf_base",
"csaf_version": "2.0",
"distribution": {
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "de-DE",
"notes": [
{
"category": "legal_disclaimer",
"text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
},
{
"category": "description",
"text": "HAProxy Enterprise ist ein weit verbreiteter Open Source Software Load Balancer und Application Delivery Controller.",
"title": "Produktbeschreibung"
},
{
"category": "summary",
"text": "Ein entfernter, anonymer Angreifer kann eine Schwachstelle in HAProxy Enterprise ausnutzen, um Informationen offenzulegen.",
"title": "Angriff"
},
{
"category": "general",
"text": "- Sonstiges",
"title": "Betroffene Betriebssysteme"
}
],
"publisher": {
"category": "other",
"contact_details": "csaf-provider@cert-bund.de",
"name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
"namespace": "https://www.bsi.bund.de"
},
"references": [
{
"category": "self",
"summary": "WID-SEC-W-2023-0716 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-0716.json"
},
{
"category": "self",
"summary": "WID-SEC-2023-0716 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-0716"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2023:6496 vom 2023-11-07",
"url": "https://access.redhat.com/errata/RHSA-2023:6496"
},
{
"category": "external",
"summary": "Amazon Linux Security Advisory ALASHAPROXY2-2023-002 vom 2023-09-27",
"url": "https://alas.aws.amazon.com/AL2/ALASHAPROXY2-2023-002.html"
},
{
"category": "external",
"summary": "Debian Security Advisory DSA-5388 vom 2023-04-14",
"url": "https://www.debian.org/security/2023/dsa-5388"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-5994-1 vom 2023-04-03",
"url": "https://ubuntu.com/security/notices/USN-5994-1"
},
{
"category": "external",
"summary": "Red Hat Bugzilla \u2013 Bug 2180746 vom 2023-03-22",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2180746"
}
],
"source_lang": "en-US",
"title": "HAProxy Enterprise: Schwachstelle erm\u00f6glicht Offenlegung von Informationen",
"tracking": {
"current_release_date": "2023-11-07T23:00:00.000+00:00",
"generator": {
"date": "2024-08-15T17:47:06.698+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.3.5"
}
},
"id": "WID-SEC-W-2023-0716",
"initial_release_date": "2023-03-22T23:00:00.000+00:00",
"revision_history": [
{
"date": "2023-03-22T23:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2023-04-03T22:00:00.000+00:00",
"number": "2",
"summary": "Neue Updates von Ubuntu aufgenommen"
},
{
"date": "2023-04-13T22:00:00.000+00:00",
"number": "3",
"summary": "Neue Updates von Debian aufgenommen"
},
{
"date": "2023-09-27T22:00:00.000+00:00",
"number": "4",
"summary": "Neue Updates von Amazon aufgenommen"
},
{
"date": "2023-11-07T23:00:00.000+00:00",
"number": "5",
"summary": "Neue Updates von Red Hat aufgenommen"
}
],
"status": "final",
"version": "5"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"category": "product_name",
"name": "Amazon Linux 2",
"product": {
"name": "Amazon Linux 2",
"product_id": "398363",
"product_identification_helper": {
"cpe": "cpe:/o:amazon:linux_2:-"
}
}
}
],
"category": "vendor",
"name": "Amazon"
},
{
"branches": [
{
"category": "product_name",
"name": "Debian Linux",
"product": {
"name": "Debian Linux",
"product_id": "2951",
"product_identification_helper": {
"cpe": "cpe:/o:debian:debian_linux:-"
}
}
}
],
"category": "vendor",
"name": "Debian"
},
{
"branches": [
{
"branches": [
{
"category": "product_name",
"name": "HAProxy Enterprise \u003c 2.2.27",
"product": {
"name": "HAProxy Enterprise \u003c 2.2.27",
"product_id": "1343467",
"product_identification_helper": {
"cpe": "cpe:/a:haproxy:haproxy:2.2.27"
}
}
},
{
"category": "product_name",
"name": "HAProxy Enterprise \u003c 2.4.21",
"product": {
"name": "HAProxy Enterprise \u003c 2.4.21",
"product_id": "1343492",
"product_identification_helper": {
"cpe": "cpe:/a:haproxy:haproxy:2.4.21"
}
}
},
{
"category": "product_name",
"name": "HAProxy Enterprise \u003c 2.5.11",
"product": {
"name": "HAProxy Enterprise \u003c 2.5.11",
"product_id": "1343501",
"product_identification_helper": {
"cpe": "cpe:/a:haproxy:haproxy:2.5.11"
}
}
},
{
"category": "product_name",
"name": "HAProxy Enterprise \u003c 2.6.8",
"product": {
"name": "HAProxy Enterprise \u003c 2.6.8",
"product_id": "1343509",
"product_identification_helper": {
"cpe": "cpe:/a:haproxy:haproxy:2.6.8"
}
}
},
{
"category": "product_name",
"name": "HAProxy Enterprise \u003c 2.7.1",
"product": {
"name": "HAProxy Enterprise \u003c 2.7.1",
"product_id": "1343510",
"product_identification_helper": {
"cpe": "cpe:/a:haproxy:haproxy:2.7.1"
}
}
},
{
"category": "product_name",
"name": "HAProxy Enterprise \u003c 2.8",
"product": {
"name": "HAProxy Enterprise \u003c 2.8",
"product_id": "T026852",
"product_identification_helper": {
"cpe": "cpe:/a:haproxy:haproxy:2.8"
}
}
}
],
"category": "product_name",
"name": "Enterprise"
}
],
"category": "vendor",
"name": "HAProxy"
},
{
"branches": [
{
"category": "product_name",
"name": "Red Hat Enterprise Linux",
"product": {
"name": "Red Hat Enterprise Linux",
"product_id": "67646",
"product_identification_helper": {
"cpe": "cpe:/o:redhat:enterprise_linux:-"
}
}
}
],
"category": "vendor",
"name": "Red Hat"
},
{
"branches": [
{
"category": "product_name",
"name": "Ubuntu Linux",
"product": {
"name": "Ubuntu Linux",
"product_id": "T000126",
"product_identification_helper": {
"cpe": "cpe:/o:canonical:ubuntu_linux:-"
}
}
}
],
"category": "vendor",
"name": "Ubuntu"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2023-0836",
"notes": [
{
"category": "description",
"text": "Es existiert eine Schwachstelle in HAProxy Enterprise. Der Fehler besteht aufgrund von 5 Bytes, die bei der Kodierung des \"FCGI_BEGIN_REQUEST\"-Datensatzes im Verbindungspuffer uninitialisiert bleiben. Ein entfernter, anonymer Angreifer kann diese Schwachstelle ausnutzen, um vertrauliche Informationen f\u00fcr konfigurierte FastCGI-Backends offenzulegen."
}
],
"product_status": {
"known_affected": [
"2951",
"67646",
"T000126",
"398363"
]
},
"release_date": "2023-03-22T23:00:00.000+00:00",
"title": "CVE-2023-0836"
}
]
}
fkie_cve-2023-0836
Vulnerability from fkie_nvd
Published
2023-03-29 21:15
Modified
2025-02-18 17:15
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
An information leak vulnerability was discovered in HAProxy 2.1, 2.2 before 2.2.27, 2.3, 2.4 before 2.4.21, 2.5 before 2.5.11, 2.6 before 2.6.8, 2.7 before 2.7.1. There are 5 bytes left uninitialized in the connection buffer when encoding the FCGI_BEGIN_REQUEST record. Sensitive data may be disclosed to configured FastCGI backends in an unexpected way.
References
Impacted products
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*",
"matchCriteriaId": "2716FE42-E573-4714-81AD-6C282F19D4DB",
"versionEndExcluding": "2.2.27",
"versionStartIncluding": "2.2.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*",
"matchCriteriaId": "A7A06FF0-94D5-4414-9089-5E8EDCF28FB2",
"versionEndIncluding": "2.4.21",
"versionStartIncluding": "2.4.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*",
"matchCriteriaId": "E793E6B3-4384-4E14-95F0-4A9764694BD7",
"versionEndIncluding": "2.5.11",
"versionStartIncluding": "2.5.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*",
"matchCriteriaId": "403E881D-2546-4324-AD6A-C1F96D66EF7C",
"versionEndIncluding": "2.6.8",
"versionStartIncluding": "2.6.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:haproxy:haproxy:2.1.0:*:*:*:*:*:*:*",
"matchCriteriaId": "B917864F-A221-453D-9A8A-A5E6F2923894",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:haproxy:haproxy:2.3.0:*:*:*:*:*:*:*",
"matchCriteriaId": "64C89E5B-9EEC-4BE8-89C2-E9908B016872",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:haproxy:haproxy:2.7.0:*:*:*:*:*:*:*",
"matchCriteriaId": "C3C053BE-78C8-475F-8D2B-56FAD7B0E0D2",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
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}
],
"id": "CVE-2023-0836",
"lastModified": "2025-02-18T17:15:15.600",
"metrics": {
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},
"published": "2023-03-29T21:15:07.950",
"references": [
{
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"url": "https://git.haproxy.org/?p=haproxy.git%3Ba=commitdiff%3Bh=2e6bf0a"
},
{
"source": "secalert@redhat.com",
"url": "https://www.debian.org/security/2023/dsa-5388"
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{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://git.haproxy.org/?p=haproxy.git%3Ba=commitdiff%3Bh=2e6bf0a"
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"source": "af854a3a-2127-422b-91ae-364da2661108",
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"type": "Secondary"
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],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
]
}
gsd-2023-0836
Vulnerability from gsd
Modified
2023-12-13 01:20
Details
An information leak vulnerability was discovered in HAProxy 2.1, 2.2 before 2.2.27, 2.3, 2.4 before 2.4.21, 2.5 before 2.5.11, 2.6 before 2.6.8, 2.7 before 2.7.1. There are 5 bytes left uninitialized in the connection buffer when encoding the FCGI_BEGIN_REQUEST record. Sensitive data may be disclosed to configured FastCGI backends in an unexpected way.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2023-0836",
"id": "GSD-2023-0836"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
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"id": "GSD-2023-0836",
"modified": "2023-12-13T01:20:22.762862Z",
"schema_version": "1.4.0"
}
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"product_name": "HAProxy",
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"version_value": "HAProxy 2.8, HAProxy 2.7.1, HAProxy 2.6.8, HAProxy 2.5.11, HAProxy 2.4.21, HAProxy 2.2.27"
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ghsa-xhfw-qhxr-hjhq
Vulnerability from github
Published
2023-03-29 21:30
Modified
2025-02-18 18:33
Severity ?
VLAI Severity ?
Details
An information leak vulnerability was discovered in HAProxy 2.1, 2.2 before 2.2.27, 2.3, 2.4 before 2.4.21, 2.5 before 2.5.11, 2.6 before 2.6.8, 2.7 before 2.7.1. There are 5 bytes left uninitialized in the connection buffer when encoding the FCGI_BEGIN_REQUEST record. Sensitive data may be disclosed to configured FastCGI backends in an unexpected way.
{
"affected": [],
"aliases": [
"CVE-2023-0836"
],
"database_specific": {
"cwe_ids": [
"CWE-200",
"CWE-459"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2023-03-29T21:15:00Z",
"severity": "HIGH"
},
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"id": "GHSA-xhfw-qhxr-hjhq",
"modified": "2025-02-18T18:33:02Z",
"published": "2023-03-29T21:30:16Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-0836"
},
{
"type": "WEB",
"url": "https://git.haproxy.org/?p=haproxy.git%3Ba=commitdiff%3Bh=2e6bf0a"
},
{
"type": "WEB",
"url": "https://git.haproxy.org/?p=haproxy.git;a=commitdiff;h=2e6bf0a"
},
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"url": "https://www.debian.org/security/2023/dsa-5388"
}
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"type": "CVSS_V3"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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