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squid-cache vulnerabilities and exploits
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8.6
CVSSv3
CVE-2022-41318
A buffer over-read exists in libntlmauth in Squid 2.5 up to and including 5.6. Due to incorrect integer-overflow protection, the SSPI and SMB authentication helpers are vulnerable to reading unintended memory locations. In some configurations, cleartext credentials from these loc...
Squid-cache Squid
6.5
CVSSv3
CVE-2024-23638
Squid is a caching proxy for the Web. Due to an expired pointer reference bug, Squid prior to version 6.6 is vulnerable to a Denial of Service attack against Cache Manager error responses. This problem allows a trusted client to perform Denial of Service when generating error pag...
Squid-cache Squid
4.5
CVSSv3
CVE-2019-12522
An issue exists in Squid up to and including 4.7. When Squid is run as root, it spawns its child processes as a lesser user, by default the user nobody. This is done via the leave_suid call. leave_suid leaves the Saved UID as 0. This makes it trivial for an attacker who has compr...
Squid-cache Squid
6.5
CVSSv3
CVE-2020-14059
An issue exists in Squid 5.x prior to 5.0.3. Due to an Incorrect Synchronization, a Denial of Service can occur when processing objects in an SMP cache because of an Ipc::Mem::PageStack::pop ABA problem during access to the memory page/slot management list.
Squid-cache Squid
7.5
CVSSv3
CVE-2023-49285
Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to a Buffer Overread bug Squid is vulnerable to a Denial of Service attack against Squid HTTP Message processing. This bug is fixed by Squid version 6.5. Users are advised to upgrade. There are no kno...
Squid-cache Squid
7.5
CVSSv3
CVE-2023-49286
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...
Squid-cache Squid
7.5
CVSSv3
CVE-2023-49288
Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Affected versions of squid are subject to a a Use-After-Free bug which can lead to a Denial of Service attack via collapsed forwarding. All versions of Squid from 3.5 up to and including 5.9 configured wi...
Squid-cache Squid
NA
CVE-2015-0881
CRLF injection vulnerability in Squid prior to 3.1.1 allows remote malicious users to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via a crafted header in a response.
Squid-cache Squid
NA
CVE-2010-2951
dns_internal.cc in Squid 3.1.6, when IPv6 DNS resolution is not enabled, accesses an invalid socket during an IPv4 TCP DNS query, which allows remote malicious users to cause a denial of service (assertion failure and daemon exit) via vectors that trigger an IPv4 DNS response wit...
Squid-cache Squid 3.1.6
NA
CVE-2012-2213
Squid 3.1.9 allows remote malicious users to bypass the access configuration for the CONNECT method by providing an arbitrary allowed hostname in the Host HTTP header. NOTE: this issue might not be reproducible, because the researcher is unable to provide a squid.conf file for a ...
Squid-cache Squid 3.1.9
1 Github repository
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2024-4644
unprivileged
CVE-2024-3494
CVE-2024-22460
CVE-2024-26026
CVE-2024-23473
firewall
CVE-2024-28889
XML external entity
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