HAProxy before 2.8.2 accepts # as part of the URI component, which might allow remote attackers to obtain sensitive information or have unspecified other impact upon misinterpretation of a path_end rule, such as routing index.html#.png to a static server.

The remote RockyLinux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2024:8849 advisory.

    * haproxy: untrimmed URI fragments may lead to exposure of confidential data on static servers     (CVE-2023-45539)

Tenable has extracted the preceding description block directly from the RockyLinux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote AlmaLinux 8 host has a package installed that is affected by a vulnerability as referenced in the ALSA-2024:8849 advisory.

    * haproxy: untrimmed URI fragments may lead to exposure of confidential data on static servers     (CVE-2023-45539)

Tenable has extracted the preceding description block directly from the AlmaLinux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2024:8874 advisory.

    The haproxy packages provide a reliable, high-performance network load balancer for TCP and HTTP-based     applications.

    Security Fix(es):

    * haproxy: untrimmed URI fragments may lead to exposure of confidential data on static servers     (CVE-2023-45539)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Oracle Linux 8 host has a package installed that is affected by a vulnerability as referenced in the ELSA-2024-8849 advisory.

    [1.8.27-5.1]
    - Reject '#' as part of URI path component (CVE-2023-45539, RHEL-18168)

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2024:8849 advisory.

    The haproxy packages provide a reliable, high-performance network load balancer for TCP and HTTP-based     applications.

    Security Fix(es):

    * haproxy: untrimmed URI fragments may lead to exposure of confidential data on static servers     (CVE-2023-45539)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

According to the versions of the haproxy package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

    HAProxy before 2.8.2 accepts # as part of the URI component, which might allow remote attackers to obtain     sensitive information or have unspecified other impact upon misinterpretation of a path_end rule, such as     routing index.html#.png to a static server.(CVE-2023-45539)

Tenable has extracted the preceding description block directly from the EulerOS haproxy security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:6412 advisory.

    Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution     designed for on-premise or private cloud deployments.

    This advisory contains the RPM packages for Red Hat OpenShift Container Platform 4.14.36. See the     following advisory for the container images for this release:

    https://access.redhat.com/errata/RHSA-2024:6406

    Security Fix(es):

    * golang: math/big: uncontrolled memory consumption due to an unhandled     overflow via Rat.SetString (CVE-2022-23772)
    * haproxy: untrimmed URI fragments may lead to exposure of confidential     data on static servers (CVE-2023-45539)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    All OpenShift Container Platform 4.14 users are advised to upgrade to these updated packages and images     when they are available in the appropriate release channel. To check for available updates, use the     OpenShift CLI (oc) or web console. Instructions for upgrading a cluster are available at     https://docs.openshift.com/container-platform/4.14/updating/updating_a_cluster/updating-cluster-cli.html

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:4853 advisory.

    Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution     designed for on-premise or private cloud deployments.

    This advisory contains the RPM packages for Red Hat OpenShift Container Platform 4.15.24. See the     following advisory for the container images for this release:

    https://access.redhat.com/errata/RHSA-2024:4850

    Security Fix(es):

    * haproxy: untrimmed URI fragments may lead to exposure of confidential     data on static servers (CVE-2023-45539)
    * go-retryablehttp: url might write sensitive information to log file     (CVE-2024-6104)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    All OpenShift Container Platform 4.15 users are advised to upgrade to these updated packages and images     when they are available in the appropriate release channel. To check for available updates, use the     OpenShift CLI (oc) or web console. Instructions for upgrading a cluster are available at     https://docs.openshift.com/container-platform/4.15/updating/updating_a_cluster/updating-cluster-cli.html

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

An update of the haproxy package has been released.

The remote Ubuntu 16.04 LTS / 18.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-6530-2 advisory.

    Seth Manesse and Paul Plasil discovered that HAProxy incorrectly handled

    URI components containing the hash character (#). A remote attacker could

    possibly use this issue to obtain sensitive information, or to bypass

    certain path_end rules.

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

According to the versions of the haproxy package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - HAProxy before 2.8.2 accepts # as part of the URI component, which might allow remote attackers to obtain     sensitive information or have unspecified other impact upon misinterpretation of a path_end rule, such as     routing index.html#.png to a static server. (CVE-2023-45539)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote AlmaLinux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALSA-2024:1142 advisory.

  - HAProxy through 2.0.32, 2.1.x and 2.2.x through 2.2.30, 2.3.x and 2.4.x through 2.4.23, 2.5.x and 2.6.x     before 2.6.15, 2.7.x before 2.7.10, and 2.8.x before 2.8.2 forwards empty Content-Length headers,     violating RFC 9110 section 8.6. In uncommon cases, an HTTP/1 server behind HAProxy may interpret the     payload as an extra request. (CVE-2023-40225)

  - HAProxy before 2.8.2 accepts # as part of the URI component, which might allow remote attackers to obtain     sensitive information or have unspecified other impact upon misinterpretation of a path_end rule, such as     routing index.html#.png to a static server. (CVE-2023-45539)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Oracle Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2024-1142 advisory.

    - Reject '#' as part of URI path component (CVE-2023-45539, RHEL-18169)

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2024:1142 advisory.

    The haproxy packages provide a reliable, high-performance network load balancer for TCP and HTTP-based     applications.

    Security Fix(es):

    * haproxy: Proxy forwards malformed empty Content-Length headers (CVE-2023-40225)

    * haproxy: untrimmed URI fragments may lead to exposure of confidential data on static servers     (CVE-2023-45539)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2024:1089 advisory.

    The haproxy packages provide a reliable, high-performance network load balancer for TCP and HTTP-based     applications.

    Security Fix(es):

    * haproxy: Proxy forwards malformed empty Content-Length headers (CVE-2023-40225)

    * haproxy: untrimmed URI fragments may lead to exposure of confidential data on static servers     (CVE-2023-45539)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2024-496 advisory.

  - HAProxy before 2.8.2 accepts # as part of the URI component, which might allow remote attackers to obtain     sensitive information or have unspecified other impact upon misinterpretation of a path_end rule, such as     routing index.html#.png to a static server. (CVE-2023-45539)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The version of haproxy2 installed on the remote host is prior to 2.2.17-1. It is, therefore, affected by a vulnerability as referenced in the ALAS2HAPROXY2-2024-008 advisory.

  - HAProxy before 2.8.2 accepts # as part of the URI component, which might allow remote attackers to obtain     sensitive information or have unspecified other impact upon misinterpretation of a path_end rule, such as     routing index.html#.png to a static server. (CVE-2023-45539)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Debian 10 host has packages installed that are affected by a vulnerability as referenced in the dla-3688 advisory.

  - HAProxy before 2.8.2 accepts # as part of the URI component, which might allow remote attackers to obtain     sensitive information or have unspecified other impact upon misinterpretation of a path_end rule, such as     routing index.html#.png to a static server. (CVE-2023-45539)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLES15 host has a package installed that is affected by a vulnerability as referenced in the SUSE- SU-2023:4645-1 advisory.

  - HAProxy before 2.8.2 accepts # as part of the URI component, which might allow remote attackers to obtain     sensitive information or have unspecified other impact upon misinterpretation of a path_end rule, such as     routing index.html#.png to a static server. (CVE-2023-45539)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Ubuntu 20.04 LTS / 22.04 LTS / 23.04 host has packages installed that are affected by a vulnerability as referenced in the USN-6530-1 advisory.

    It was discovered that HAProxy incorrectly handled URI components containing the hash character (#). A     remote attacker could possibly use this issue to obtain sensitive information, or to bypass certain     path_end rules.

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
210627	RockyLinux 8 : haproxy (RLSA-2024:8849)	Nessus	Rocky Linux Local Security Checks	high
210430	AlmaLinux 8 : haproxy (ALSA-2024:8849)	Nessus	Alma Linux Local Security Checks	high
210418	RHEL 8 : haproxy (RHSA-2024:8874)	Nessus	Red Hat Local Security Checks	high
210385	Oracle Linux 8 : haproxy (ELSA-2024-8849)	Nessus	Oracle Linux Local Security Checks	high
210356	RHEL 8 : haproxy (RHSA-2024:8849)	Nessus	Red Hat Local Security Checks	high
207616	EulerOS 2.0 SP8 : haproxy (EulerOS-SA-2024-2472)	Nessus	Huawei Local Security Checks	high
206996	RHEL 8 / 9 : OpenShift Container Platform 4.14.36 (RHSA-2024:6412)	Nessus	Red Hat Local Security Checks	high
204863	RHEL 8 / 9 : OpenShift Container Platform 4.15.24 (RHSA-2024:4853)	Nessus	Red Hat Local Security Checks	high
204302	Photon OS 5.0: Haproxy PHSA-2023-5.0-0167	Nessus	PhotonOS Local Security Checks	high
203692	Ubuntu 16.04 LTS / 18.04 LTS : HAProxy vulnerability (USN-6530-2)	Nessus	Ubuntu Local Security Checks	high
202951	EulerOS 2.0 SP8 : haproxy (EulerOS-SA-2024-2034)	Nessus	Huawei Local Security Checks	high
191966	EulerOS 2.0 SP10 : haproxy (EulerOS-SA-2024-1314)	Nessus	Huawei Local Security Checks	high
191961	EulerOS 2.0 SP10 : haproxy (EulerOS-SA-2024-1336)	Nessus	Huawei Local Security Checks	high
191687	AlmaLinux 9 : haproxy (ALSA-2024:1142)	Nessus	Alma Linux Local Security Checks	high
191656	Oracle Linux 9 : haproxy (ELSA-2024-1142)	Nessus	Oracle Linux Local Security Checks	high
191565	RHEL 9 : haproxy (RHSA-2024:1142)	Nessus	Red Hat Local Security Checks	high
191540	RHEL 9 : haproxy (RHSA-2024:1089)	Nessus	Red Hat Local Security Checks	high
190297	EulerOS 2.0 SP9 : haproxy (EulerOS-SA-2024-1195)	Nessus	Huawei Local Security Checks	high
190290	EulerOS 2.0 SP9 : haproxy (EulerOS-SA-2024-1175)	Nessus	Huawei Local Security Checks	high
189706	EulerOS 2.0 SP11 : haproxy (EulerOS-SA-2024-1121)	Nessus	Huawei Local Security Checks	high
189694	EulerOS 2.0 SP11 : haproxy (EulerOS-SA-2024-1106)	Nessus	Huawei Local Security Checks	high
189339	Amazon Linux 2023 : haproxy (ALAS2023-2024-496)	Nessus	Amazon Linux Local Security Checks	high
187781	Amazon Linux 2 : haproxy2 (ALASHAPROXY2-2024-008)	Nessus	Amazon Linux Local Security Checks	high
186967	Debian DLA-3688-1 : haproxy - LTS security update	Nessus	Debian Local Security Checks	high
186647	SUSE SLES15 Security Update : haproxy (SUSE-SU-2023:4645-1)	Nessus	SuSE Local Security Checks	high
186587	Ubuntu 20.04 LTS / 22.04 LTS / 23.04 : HAProxy vulnerability (USN-6530-1)	Nessus	Ubuntu Local Security Checks	high

Detections

Analytics

CVE-2023-45539

high

Tenable Plugins

high

high

high

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