CVE-2021-39242

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Summary

CVECVE-2021-39242
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-08-17 19:15:00 UTC
Updated2023-11-07 03:37:00 UTC
DescriptionAn issue was discovered in HAProxy 2.2 before 2.2.16, 2.3 before 2.3.13, and 2.4 before 2.4.3. It can lead to a situation with an attacker-controlled HTTP Host header, because a mismatch between Host and authority is mishandled.

Risk And Classification

Problem Types: CWE-755

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 11.0 All All All
Operating System Fedoraproject Fedora 33 All All All
Operating System Fedoraproject Fedora 34 All All All
Application Haproxy Haproxy All All All All

References

ReferenceSourceLinkTags
[SECURITY] Fedora 34 Update: haproxy-2.3.13-1.fc34 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
[SECURITY] Fedora 33 Update: haproxy-2.2.16-1.fc33 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
[ANNOUNCE] HTTP/2 vulnerabilities from 2.0 to 2.5-dev www.mail-archive.com
[SECURITY] Fedora 34 Update: haproxy-2.3.13-1.fc34 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
Debian -- Security Information -- DSA-4960-1 haproxy DEBIAN www.debian.org
Repositories - haproxy.git/commit MISC git.haproxy.org
[SECURITY] Fedora 33 Update: haproxy-2.2.16-1.fc33 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
Repositories - haproxy.git/commit git.haproxy.org
[ANNOUNCE] HTTP/2 vulnerabilities from 2.0 to 2.5-dev MISC www.mail-archive.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 181961 Debian Security Update for haproxy (CVE-2021-39242)
  • 239873 Red Hat OpenShift Container Platform 4.9 Security Update (RHSA-2021:4118)
  • 239987 Red Hat OpenShift Container Platform 4.8 Security Update (RHSA-2021:5208)
  • 281856 Fedora Security Update for haproxy (FEDORA-2021-3ab4512c98)
  • 281857 Fedora Security Update for haproxy (FEDORA-2021-e6557245e8)
  • 356275 Amazon Linux Security Advisory for haproxy2 : ALASHAPROXY2-2023-005
  • 356499 Amazon Linux Security Advisory for haproxy2 : ALAS2HAPROXY2-2023-005
  • 670836 EulerOS Security Update for haproxy (EulerOS-SA-2021-2712)
  • 670973 EulerOS Security Update for haproxy (EulerOS-SA-2021-2687)
  • 770124 Red Hat OpenShift Container Platform 4.9 Security Update (RHSA-2021:4118)
  • 770130 Red Hat OpenShift Container Platform 4.8 Security Update (RHSA-2021:5208)
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