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CVE-2023-49286

Status Candidate

Overview

Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to an Incorrect Check of Function Return Value bug Squid is vulnerable to a Denial of Service attack against its Helper process management. This bug is fixed by Squid version 6.5. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Related Files

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
Ubuntu Security Notice USN-6594-1
Posted Jan 23, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6594-1 - Joshua Rogers discovered that Squid incorrectly handled HTTP message processing. 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 Helper process management. 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 HTTP request parsing. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service.

tags | advisory, remote, web, denial of service
systems | linux, ubuntu
advisories | CVE-2023-49285, CVE-2023-49286, CVE-2023-50269
SHA-256 | db3db3f46c79cee5c6cf7b45a6f9a763efc55e8e7951b7556929117aafe4bdb0
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