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Debian Security Advisory 5348-1
Debian Linux Security Advisory 5348-1 - Two vulnerabilities were discovered in HAProxy, a fast and reliable load balancing reverse proxy, which may result in denial of service, or bypass of access controls and routing rules via specially crafted requests.
-----BEGIN PGP SIGNED MESSAGE-----Hash: SHA512- -------------------------------------------------------------------------Debian Security Advisory DSA-5348-1 [email protected]://www.debian.org/security/ Salvatore BonaccorsoFebruary 14, 2023 https://www.debian.org/security/faq- -------------------------------------------------------------------------Package : haproxyCVE ID : CVE-2023-0056 CVE-2023-25725Two vulnerabilities were discovered in HAProxy, a fast and reliable loadbalancing reverse proxy, which may result in denial of service, orbypass of access controls and routing rules via specially craftedrequests.For the stable distribution (bullseye), these problems have been fixed inversion 2.2.9-2+deb11u4.We recommend that you upgrade your haproxy packages.For the detailed security status of haproxy please refer to its securitytracker page at:https://security-tracker.debian.org/tracker/haproxyFurther information about Debian Security Advisories, how to applythese updates to your system and frequently asked questions can befound at: https://www.debian.org/security/Mailing list: [email protected] PGP SIGNATURE-----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2CxI-----END PGP SIGNATURE-----Related news
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An update for haproxy is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2023-0056: An uncontrolled resource consumption vulnerability was discovered in HAProxy which could crash the service. This issue could allow an authenticated remote attacker to run a specially crafted malicious server in an OpenShift cluster. The biggest impact is to availability. * CVE-2023-25725: A flaw was found in HAProxy's headers processing that cause...
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HAProxy before 2.7.3 may allow a bypass of access control because HTTP/1 headers are inadvertently lost in some situations, aka "request smuggling." The HTTP header parsers in HAProxy may accept empty header field names, which could be used to truncate the list of HTTP headers and thus make some headers disappear after being parsed and processed for HTTP/1.0 and HTTP/1.1. For HTTP/2 and HTTP/3, the impact is limited because the headers disappear before being parsed and processed, as if they had not been sent by the client. The fixed versions are 2.7.3, 2.6.9, 2.5.12, 2.4.22, 2.2.29, and 2.0.31.