CVE-2021-40346

An integer overflow exists in HAProxy 2.0 through 2.5 in htx_add_header that can be exploited to perform an HTTP request smuggling attack, allowing an attacker to bypass all configured http-request HAProxy ACLs and possibly other ACLs.
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy:2.5:dev0:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy:2.5:dev1:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy:2.5:dev2:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy:2.5:dev3:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy:2.5:dev4:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy:2.5:dev5:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy:2.5:dev6:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

Configuration 3 (hide)

OR cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

History

07 Nov 2023, 03:38

Type Values Removed Values Added
References
  • {'url': 'https://www.mail-archive.com/haproxy@formilux.org', 'name': 'https://www.mail-archive.com/haproxy@formilux.org', 'tags': ['Third Party Advisory'], 'refsource': 'MISC'}
  • {'url': 'https://www.mail-archive.com/haproxy@formilux.org/msg41114.html', 'name': 'https://www.mail-archive.com/haproxy@formilux.org/msg41114.html', 'tags': ['Mitigation', 'Third Party Advisory'], 'refsource': 'MISC'}
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A7V2IYO22LWVBGUNZWVKNTMDV4KINLFO/', 'name': 'FEDORA-2021-3493f9f6ab', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • {'url': 'https://lists.apache.org/thread.html/r284567dd7523f5823e2ce995f787ccd37b1cc4108779c50a97c79120@%3Cdev.cloudstack.apache.org%3E', 'name': '[cloudstack-dev] 20210910 CVE-2021-40346 (haproxy 2.x)', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'MLIST'}
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MXTSBY2TEAXWZVFQM3CXHJFRONX7PEMN/', 'name': 'FEDORA-2021-cd5ee418f6', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • {'url': 'https://lists.apache.org/thread.html/r8a58fd7a29808e5d27ee56877745e58dc4bb041b9af94601554e2a5a@%3Cdev.cloudstack.apache.org%3E', 'name': '[cloudstack-dev] 20210910 Re: CVE-2021-40346 (haproxy 2.x)', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'MLIST'}
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MXTSBY2TEAXWZVFQM3CXHJFRONX7PEMN/ -
  • () https://lists.apache.org/thread.html/r284567dd7523f5823e2ce995f787ccd37b1cc4108779c50a97c79120%40%3Cdev.cloudstack.apache.org%3E -
  • () https://lists.apache.org/thread.html/r8a58fd7a29808e5d27ee56877745e58dc4bb041b9af94601554e2a5a%40%3Cdev.cloudstack.apache.org%3E -
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A7V2IYO22LWVBGUNZWVKNTMDV4KINLFO/ -
  • () https://www.mail-archive.com/haproxy%40formilux.org/msg41114.html -
  • () https://www.mail-archive.com/haproxy%40formilux.org -

Information

Published : 2021-09-08 17:15

Updated : 2024-02-28 18:48


NVD link : CVE-2021-40346

Mitre link : CVE-2021-40346

CVE.ORG link : CVE-2021-40346


JSON object : View

Products Affected

debian

  • debian_linux

haproxy

  • haproxy

fedoraproject

  • fedora
CWE
CWE-190

Integer Overflow or Wraparound