CVE-2021-39240

Severity

75%

Complexity

39%

Confidentiality

60%

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 does not ensure that the scheme and path portions of a URI have the expected characters. For example, the authority field (as observed on a target HTTP/2 server) might differ from what the routing rules were intended to achieve.

CVSS 3.1 Base Score 7.5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).

CVSS 2.0 Base Score 5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:N).

Overview

First reported 3 years ago

2021-08-17 19:15:00

Last updated 3 years ago

2021-09-14 18:34:00

Affected Software

HAProxy

References

https://git.haproxy.org/?p=haproxy.git;a=commit;h=a495e0d94876c9d39763db319f609351907a31e8

https://git.haproxy.org/?p=haproxy.git;a=commit;h=4b8852c70d8c4b7e225e24eb58258a15eb54c26e

https://www.mail-archive.com/[email protected]/msg41041.html

https://git.haproxy.org/?p=haproxy.git;a=commit;h=a495e0d94876c9d39763db319f609351907a31e8

Mailing List, Patch, Vendor Advisory

https://git.haproxy.org/?p=haproxy.git;a=commit;h=4b8852c70d8c4b7e225e24eb58258a15eb54c26e

Mailing List, Patch, Vendor Advisory

https://www.mail-archive.com/[email protected]/msg41041.html

Third Party Advisory

DSA-4960

Third Party Advisory

FEDORA-2021-3ab4512c98

FEDORA-2021-e6557245e8

FEDORA-2021-3ab4512c98

Mailing List, Third Party Advisory

FEDORA-2021-e6557245e8

Mailing List, Third Party Advisory

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