Squid is an open source caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to Input Validation, Premature Release of Resource During Expected Lifetime, and Missing Release of Resource after Effective Lifetime bugs, Squid is vulnerable to Denial of Service attacks by a trusted server against all clients using the proxy. This bug is fixed in the default build configuration of Squid version 6.10.

An update of the squid package has been released.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2024:9814 advisory.

    Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data     objects.

    Security Fix(es):

    * squid: Denial of Service processing ESI response content (CVE-2024-45802)

    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 Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2024:9813 advisory.

    Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data     objects.

    Security Fix(es):

    * squid: Denial of Service processing ESI response content (CVE-2024-45802)

    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 Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2024:9815 advisory.

    Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data     objects.

    Security Fix(es):

    * squid: Denial of Service processing ESI response content (CVE-2024-45802)

    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 7 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2024-9738 advisory.

    [7:3.5.20-17.0.3]
    - Disable ESI support [CVE-2024-45802][Orabug: 37289058]

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 packages installed that are affected by a vulnerability as referenced in the RHSA-2024:9624 advisory.

    Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data     objects.

    Security Fix(es):

    * squid: Denial of Service processing ESI response content (CVE-2024-45802)

    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 Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:9644 advisory.

    Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data     objects.

    Security Fix(es):

    * squid: vulnerable to a Denial of Service attack against Cache Manager error responses (CVE-2024-23638)

    * squid: Denial of Service processing ESI response content (CVE-2024-45802)

    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 Oracle Linux 9 host has a package installed that is affected by a vulnerability as referenced in the ELSA-2024-9625 advisory.

    - Resolves: RHEL-65076 - CVE-2024-45802 squid: Denial of Service processing ESI       response content

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 RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2024:9644 advisory.

    * squid: vulnerable to a Denial of Service attack against Cache Manager error responses (CVE-2024-23638)

    * squid: Denial of Service processing ESI response content (CVE-2024-45802)

Tenable has extracted the preceding description block directly from the RockyLinux 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 Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2024-9644 advisory.

    - Resolves: RHEL-22593 - CVE-2024-23638 squid:4/squid: vulnerable to       a Denial of Service attack against Cache Manager error responses
    - Resolves: RHEL-65075 - CVE-2024-45802 squid:4/squid: Denial of Service       processing ESI response content

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 Fedora 41 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2024-4a05e3cd17 advisory.

    - new version 6.12
    - important security update

Tenable has extracted the preceding description block directly from the Fedora 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 Fedora 40 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2024-c8dda5112a advisory.

    - new version 6.12
    - important security update

Tenable has extracted the preceding description block directly from the Fedora 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 Fedora 39 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2024-b73b600af7 advisory.

    - new version 6.12
    - important security update

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

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

Squid is an open source caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to Input Validation, Premature Release of Resource During Expected Lifetime, and Missing Release of Resource after Effective Lifetime bugs, Squid is vulnerable to Denial of Service attacks by a trusted server against all clients using the proxy. This bug is fixed in the default build configuration of Squid version 6.10.

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
213450	Photon OS 5.0: Squid PHSA-2024-5.0-0429	Nessus	PhotonOS Local Security Checks	high
213447	Photon OS 4.0: Squid PHSA-2024-4.0-0726	Nessus	PhotonOS Local Security Checks	high
211771	RHEL 8 : squid:4 (RHSA-2024:9814)	Nessus	Red Hat Local Security Checks	high
211768	RHEL 8 : squid:4 (RHSA-2024:9813)	Nessus	Red Hat Local Security Checks	high
211762	RHEL 8 : squid:4 (RHSA-2024:9815)	Nessus	Red Hat Local Security Checks	high
211711	Oracle Linux 7 : squid (ELSA-2024-9738)	Nessus	Oracle Linux Local Security Checks	high
211687	RHEL 8 : squid:4 (RHSA-2024:9624)	Nessus	Red Hat Local Security Checks	high
211686	RHEL 8 : squid:4 (RHSA-2024:9644)	Nessus	Red Hat Local Security Checks	high
211610	Oracle Linux 9 : squid (ELSA-2024-9625)	Nessus	Oracle Linux Local Security Checks	high
211593	RockyLinux 8 : squid:4 (RLSA-2024:9644)	Nessus	Rocky Linux Local Security Checks	high
211386	Oracle Linux 8 : squid (ELSA-2024-9644)	Nessus	Oracle Linux Local Security Checks	high
211357	Fedora 41 : squid (2024-4a05e3cd17)	Nessus	Fedora Local Security Checks	high
210733	Fedora 40 : squid (2024-c8dda5112a)	Nessus	Fedora Local Security Checks	high
210732	Fedora 39 : squid (2024-b73b600af7)	Nessus	Fedora Local Security Checks	high
210586	Squid 3.x < 6.10 / 7.0.0 DoS (SQUID-2024:04)	Nessus	Firewalls	high

Detections

Analytics

CVE-2024-45802

high

Tenable Plugins

high

high

high

high

high

high

high

high

high

high

high

high

high

high

high