An 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.
References
Configurations
Configuration 1 (hide)
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Configuration 2 (hide)
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Configuration 3 (hide)
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History
07 Nov 2023, 03:37
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14 Sep 2021, 18:34
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References | (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RPNY4WZIQUAUOCLIMUPC37AQWNXTWIQM/ - Mailing List, Third Party Advisory | |
References | (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4ALECUZDIMT5FYGP6V6PVSI4BKVZTZWN/ - Mailing List, Third Party Advisory | |
CPE | cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* |
27 Aug 2021, 00:15
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25 Aug 2021, 13:33
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References | (MISC) https://www.mail-archive.com/haproxy@formilux.org/msg41041.html - Exploit, Third Party Advisory | |
References | (MISC) https://git.haproxy.org/?p=haproxy.git;a=commit;h=b5d2b9e154d78e4075db163826c5e0f6d31b2ab1 - Mailing List, Patch, Vendor Advisory | |
CPE | cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:* |
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CWE | CWE-755 | |
CVSS |
v2 : v3 : |
v2 : 5.0
v3 : 7.5 |
17 Aug 2021, 19:15
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New CVE |
Information
Published : 2021-08-17 19:15
Updated : 2023-12-10 13:55
NVD link : CVE-2021-39242
Mitre link : CVE-2021-39242
CVE.ORG link : CVE-2021-39242
JSON object : View
Products Affected
debian
- debian_linux
haproxy
- haproxy
fedoraproject
- fedora
CWE
CWE-755
Improper Handling of Exceptional Conditions