CVE-2021-39241 Affecting haproxy package, versions <2.2.9-2+deb11u1
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Test your applications- Snyk ID SNYK-DEBIAN11-HAPROXY-1566780
- published 18 Aug 2021
- disclosed 17 Aug 2021
Introduced: 17 Aug 2021
CVE-2021-39241 Open this link in a new tabHow to fix?
Upgrade Debian:11 haproxy to version 2.2.9-2+deb11u1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream haproxy package and not the haproxy package as distributed by Debian.
See How to fix? for Debian:11 relevant fixed versions and status.
An issue was discovered in HAProxy 2.0 before 2.0.24, 2.2 before 2.2.16, 2.3 before 2.3.13, and 2.4 before 2.4.3. An HTTP method name may contain a space followed by the name of a protected resource. It is possible that a server would interpret this as a request for that protected resource, such as in the "GET /admin? HTTP/1.1 /static/images HTTP/1.1" example.
References
- https://security-tracker.debian.org/tracker/CVE-2021-39241
- https://www.debian.org/security/2021/dsa-4960
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4ALECUZDIMT5FYGP6V6PVSI4BKVZTZWN/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RPNY4WZIQUAUOCLIMUPC37AQWNXTWIQM/
- https://git.haproxy.org/?p=haproxy.git;a=commit;h=89265224d314a056d77d974284802c1b8a0dc97f
- https://www.mail-archive.com/haproxy@formilux.org/msg41041.html
- https://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=89265224d314a056d77d974284802c1b8a0dc97f
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ALECUZDIMT5FYGP6V6PVSI4BKVZTZWN/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RPNY4WZIQUAUOCLIMUPC37AQWNXTWIQM/
- https://www.mail-archive.com/haproxy%40formilux.org/msg41041.html