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CVE-2023-5824

Status Candidate

Overview

Squid is vulnerable to Denial of Service attack against HTTP and HTTPS clients due to an Improper Handling of Structural Elements bug.

Related Files

Ubuntu Security Notice USN-6728-3
Posted Apr 23, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6728-3 - USN-6728-1 fixed vulnerabilities in Squid. The fix for CVE-2023-5824 caused Squid to crash in certain environments on Ubuntu 20.04 LTS and was disabled in USN-6728-2. The problematic fix for CVE-2023-5824 has now been corrected and reinstated in this update.

tags | advisory, vulnerability
systems | linux, ubuntu
advisories | CVE-2023-49288, CVE-2023-5824, CVE-2024-23638, CVE-2024-25111, CVE-2024-25617
SHA-256 | 0bf30fb6ffcb2ab3a9eb80bf643a6a374df5e9b1e030e608690f2c194f51ccdd
Ubuntu Security Notice USN-6728-2
Posted Apr 11, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6728-2 - USN-6728-1 fixed vulnerabilities in Squid. The fix for CVE-2023-5824 caused Squid to crash in certain environments on Ubuntu 20.04 LTS. The problematic fix has been reverted pending further investigation. Joshua Rogers discovered that Squid incorrectly handled collapsed forwarding. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service. This issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. Joshua Rogers discovered that Squid incorrectly handled certain structural elements. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service. Joshua Rogers discovered that Squid incorrectly handled Cache Manager error responses. A remote trusted client can possibly use this issue to cause Squid to crash, resulting in a denial of service. Joshua Rogers discovered that Squid incorrectly handled the HTTP Chunked decoder. A remote attacker could possibly use this issue to cause Squid to stop responding, resulting in a denial of service. Joshua Rogers discovered that Squid incorrectly handled HTTP header parsing. A remote trusted client can possibly use this issue to cause Squid to crash, resulting in a denial of service.

tags | advisory, remote, web, denial of service, vulnerability
systems | linux, ubuntu
advisories | CVE-2023-49288, CVE-2023-5824, CVE-2024-23638, CVE-2024-25111, CVE-2024-25617
SHA-256 | 0856df025bfcd57e31eb05d1faef083bd5b30608db5b6bb659433042ad64ad67
Ubuntu Security Notice USN-6728-1
Posted Apr 11, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6728-1 - Joshua Rogers discovered that Squid incorrectly handled collapsed forwarding. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service. This issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. Joshua Rogers discovered that Squid incorrectly handled certain structural elements. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2023-49288, CVE-2023-5824, CVE-2024-23638, CVE-2024-25111, CVE-2024-25617
SHA-256 | c9a980c32c2ef96069eee9285fdd53c5aa4c12d940c776810cbfff41a398c101
Red Hat Security Advisory 2024-1153-03
Posted Mar 6, 2024
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2024-1153-03 - An update for squid is now available for Red Hat Enterprise Linux 9.0 Extended Update Support. Issues addressed include buffer over-read, denial of service, and null pointer vulnerabilities.

tags | advisory, denial of service, vulnerability
systems | linux, redhat
advisories | CVE-2023-5824
SHA-256 | 8a9dab6dcb9dac238e73892aee925d081d09109fcb76fb12ee375e9f2f2b5374
Red Hat Security Advisory 2024-0773-03
Posted Feb 12, 2024
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2024-0773-03 - An update for the squid:4 module is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Telecommunications Update Service, and Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions. Issues addressed include buffer over-read, denial of service, and null pointer vulnerabilities.

tags | advisory, denial of service, vulnerability
systems | linux, redhat
advisories | CVE-2023-5824
SHA-256 | 43166ec5ddac7f4a38853172c9e13fcabba81880452b2420fd420c075f9f7332
Red Hat Security Advisory 2024-0772-03
Posted Feb 12, 2024
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2024-0772-03 - An update for the squid:4 module is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.2 Telecommunications Update Service, and Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions. Issues addressed include buffer over-read, denial of service, and null pointer vulnerabilities.

tags | advisory, denial of service, vulnerability
systems | linux, redhat
advisories | CVE-2023-5824
SHA-256 | 6d1e59349360b31293ffe6ee88dee5d3a9e5bcc8da1a2795f662278af8ff89b2
Red Hat Security Advisory 2024-0771-03
Posted Feb 12, 2024
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2024-0771-03 - An update for the squid:4 module is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. Issues addressed include buffer over-read, denial of service, and null pointer vulnerabilities.

tags | advisory, denial of service, vulnerability
systems | linux, redhat
advisories | CVE-2023-5824
SHA-256 | f9044b043f0d8a13af1d1ee670be543c915244ff614822ff8290a280b78c7b52
Red Hat Security Advisory 2024-0397-03
Posted Jan 25, 2024
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2024-0397-03 - An update for the squid:4 module is now available for Red Hat Enterprise Linux 8.8 Extended Update Support. Issues addressed include buffer over-read, denial of service, and null pointer vulnerabilities.

tags | advisory, denial of service, vulnerability
systems | linux, redhat
advisories | CVE-2023-5824
SHA-256 | 718d5da62caf365cbd8baeb446d0df02bc4fbae3ada503625fb430b10ad64db8
Red Hat Security Advisory 2024-0072-03
Posted Jan 8, 2024
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2024-0072-03 - An update for squid is now available for Red Hat Enterprise Linux 9.2 Extended Update Support. Issues addressed include buffer over-read, denial of service, and null pointer vulnerabilities.

tags | advisory, denial of service, vulnerability
systems | linux, redhat
advisories | CVE-2023-5824
SHA-256 | 356b798ba6c69076215c28ece4fd08d781c8141de42ea13e52ae8a35d24066b1
Red Hat Security Advisory 2023-7668-03
Posted Dec 7, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-7668-03 - An update for the squid:4 module is now available for Red Hat Enterprise Linux 8. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2023-5824
SHA-256 | b7b23b7ec50e246383d4bc95c909a2048792ef5d5370cb0de637d268575ef3e9
Red Hat Security Advisory 2023-7465-01
Posted Nov 25, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-7465-01 - An update for squid is now available for Red Hat Enterprise Linux 9. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2023-5824
SHA-256 | 5dd80d3d5e680c6c94d1c016ee7bf8a14fcaa027b6e8ce0b89ed589131891e96
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