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CVE-2024-25617

Status Candidate

Overview

Squid is an open source caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to a Collapse of Data into Unsafe Value bug ,Squid may be vulnerable to a Denial of Service attack against HTTP header parsing. This problem allows a remote client or a remote server to perform Denial of Service when sending oversized headers in HTTP messages. In versions of Squid prior to 6.5 this can be achieved if the request_header_max_size or reply_header_max_size settings are unchanged from the default. In Squid version 6.5 and later, the default setting of these parameters is safe. Squid will emit a critical warning in cache.log if the administrator is setting these parameters to unsafe values. Squid will not at this time prevent these settings from being changed to unsafe values. Users are advised to upgrade to version 6.5. There are no known workarounds for this vulnerability. This issue is also tracked as SQUID-2024:2

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
Debian Security Advisory 5637-1
Posted Mar 8, 2024
Authored by Debian | Site debian.org

Debian Linux Security Advisory 5637-1 - Several security vulnerabilities have been discovered in Squid, a full featured web proxy cache. Due to programming errors in Squid's HTTP request parsing, remote attackers may be able to execute a denial of service attack by sending large X-Forwarded-For header or trigger a stack buffer overflow while performing HTTP Digest authentication. Other issues facilitate request smuggling past a firewall or a denial of service against Squid's Helper process management.

tags | advisory, remote, web, denial of service, overflow, vulnerability
systems | linux, debian
advisories | CVE-2023-46724, CVE-2023-46846, CVE-2023-46847, CVE-2023-46848, CVE-2023-49285, CVE-2023-49286, CVE-2023-50269, CVE-2024-23638, CVE-2024-25111, CVE-2024-25617
SHA-256 | a79ef3e7a5505aef83c8e1d9026a34f64acecaa9ccd3e41b225ac5500d8a96e7
Red Hat Security Advisory 2024-1184-03
Posted Mar 6, 2024
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2024-1184-03 - An update for squid is now available for Red Hat Enterprise Linux 9.2 Extended Update Support. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2024-25617
SHA-256 | ad1ee345710e0e3ea9c4caee996df8040b5dd4f88e74182f747cdd04e46715b1
Red Hat Security Advisory 2024-1066-03
Posted Mar 5, 2024
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2024-1066-03 - An update for the squid:4 module is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2024-25617
SHA-256 | fdb27b2ccb6fc207e8257d016a4af6f2c29fcebb286e40bba9ed1227f0ef87e2
Red Hat Security Advisory 2024-1062-03
Posted Mar 1, 2024
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2024-1062-03 - An update for the squid:4 module is now available for Red Hat Enterprise Linux 8.8 Extended Update Support. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2024-25617
SHA-256 | 2d3e9b962b45d7039c40346e4154f96659320078f3e65ab7ff78de78a568f6fc
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