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squid squid web proxy cache 2.7 vulnerabilities and exploits
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NA
CVE-2023-50269
Squid is a caching proxy for the Web. Due to an Uncontrolled Recursion bug in versions 2.6 up to and including 2.7.STABLE9, versions 3.1 up to and including 5.9, and versions 6.0.1 up to and including 6.5, Squid may be vulnerable to a Denial of Service attack against HTTP Request...
Squid-cache Squid 2.6
Squid-cache Squid 2.7
Squid-cache Squid
4.3
CVSSv2
CVE-2021-28116
Squid up to and including 4.14 and 5.x up to and including 5.0.5, in some configurations, allows information disclosure because of an out-of-bounds read in WCCP protocol data. This can be leveraged as part of a chain for remote code execution as nobody.
Squid-cache Squid
Fedoraproject Fedora 33
Fedoraproject Fedora 34
Debian Debian Linux 10.0
Debian Debian Linux 11.0
7.5
CVSSv2
CVE-2019-12524
An issue exists in Squid up to and including 4.7. When handling requests from users, Squid checks its rules to see if the request should be denied. Squid by default comes with rules to block access to the Cache Manager, which serves detailed server information meant for the maint...
Squid-cache Squid
Debian Debian Linux 9.0
Debian Debian Linux 10.0
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
4.3
CVSSv2
CVE-2019-18860
Squid prior to 4.9, when certain web browsers are used, mishandles HTML in the host (aka hostname) parameter to cachemgr.cgi.
Squid-cache Squid
Debian Debian Linux 9.0
Debian Debian Linux 10.0
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
Canonical Ubuntu Linux 20.04
Canonical Ubuntu Linux 16.04
Opensuse Leap 15.1
5.8
CVSSv2
CVE-2019-18677
An issue exists in Squid 3.x and 4.x up to and including 4.8 when the append_domain setting is used (because the appended characters do not properly interact with hostname length restrictions). Due to incorrect message processing, it can inappropriately redirect traffic to origin...
Squid-cache Squid 2.7
Squid-cache Squid
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.04
Canonical Ubuntu Linux 19.10
Fedoraproject Fedora 30
Fedoraproject Fedora 31
5
CVSSv2
CVE-2019-18678
An issue exists in Squid 3.x and 4.x up to and including 4.8. It allows malicious users to smuggle HTTP requests through frontend software to a Squid instance that splits the HTTP Request pipeline differently. The resulting Response messages corrupt caches (between a client and S...
Squid-cache Squid
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.04
Canonical Ubuntu Linux 19.10
Debian Debian Linux 8.0
Fedoraproject Fedora 30
Fedoraproject Fedora 31
5
CVSSv2
CVE-2019-18679
An issue exists in Squid 2.x, 3.x, and 4.x up to and including 4.8. Due to incorrect data management, it is vulnerable to information disclosure when processing HTTP Digest Authentication. Nonce tokens contain the raw byte value of a pointer that sits within heap memory allocatio...
Squid-cache Squid 2.7
Squid-cache Squid
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.04
Canonical Ubuntu Linux 19.10
Debian Debian Linux 8.0
Fedoraproject Fedora 30
Fedoraproject Fedora 31
4.3
CVSSv2
CVE-2019-12529
An issue exists in Squid 2.x up to and including 2.7.STABLE9, 3.x up to and including 3.5.28, and 4.x up to and including 4.7. When Squid is configured to use Basic Authentication, the Proxy-Authorization header is parsed via uudecode. uudecode determines how many bytes will be d...
Squid-cache Squid 2.7
Squid-cache Squid
Debian Debian Linux 8.0
Debian Debian Linux 9.0
Debian Debian Linux 10.0
Fedoraproject Fedora 29
Opensuse Leap 15.0
Opensuse Leap 15.1
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.04
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 12.04
5
CVSSv2
CVE-2012-5643
Multiple memory leaks in tools/cachemgr.cc in cachemgr.cgi in Squid 2.x and 3.x prior to 3.1.22, 3.2.x prior to 3.2.4, and 3.3.x prior to 3.3.0.2 allow remote malicious users to cause a denial of service (memory consumption) via (1) invalid Content-Length headers, (2) long POST r...
Squid-cache Squid 2.6
Squid-cache Squid 2.0
Squid-cache Squid 2.7
Squid-cache Squid 2.2
Squid-cache Squid 2.3
Squid-cache Squid 2.5
Squid-cache Squid 2.1
Squid-cache Squid 2.4
Squid-cache Squid 3.1.0.18
Squid-cache Squid 3.0.stable13
Squid-cache Squid 3.1.21
Squid-cache Squid 3.0
Squid-cache Squid 3.0.stable9
Squid-cache Squid 3.1.13
Squid-cache Squid 3.0.stable20
Squid-cache Squid 3.0.stable14
Squid-cache Squid 3.0.stable3
Squid-cache Squid 3.1.17
Squid-cache Squid 3.1.0.7
Squid-cache Squid 3.1.0.14
Squid-cache Squid 3.0.stable4
Squid-cache Squid 3.1.0.12
4
CVSSv2
CVE-2010-0308
lib/rfc1035.c in Squid 2.x, 3.0 up to and including 3.0.STABLE22, and 3.1 up to and including 3.1.0.15 allows remote malicious users to cause a denial of service (assertion failure) via a crafted DNS packet that only contains a header.
Squid-cache Squid 3.0
Squid-cache Squid 2.6
Squid-cache Squid 2.7
Squid-cache Squid 3.1.0.6
Squid-cache Squid 3.1.0.7
Squid-cache Squid 3.1.0.11
Squid-cache Squid 3.0.stable22
Squid-cache Squid 3.0.stable15
Squid-cache Squid 3.0.stable14
Squid-cache Squid 3.0.stable6
Squid-cache Squid 3.0.stable5
Squid-cache Squid 2.1
Squid-cache Squid 2.0
Squid-cache Squid 3.1
Squid-cache Squid 3.1.0.1
Squid-cache Squid 3.1.0.8
Squid-cache Squid 3.1.0.9
Squid-cache Squid 3.1.0.10
Squid-cache Squid 3.0.stable21
Squid-cache Squid 3.0.stable20
Squid-cache Squid 3.0.stable13
Squid-cache Squid 3.0.stable12
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
cross-site scripting
CVE-2024-5158
XML external entity
CVE-2024-4262
CVE-2024-2036
CVE-2024-4985
CVE-2024-21791
remote attackers
CVE-2023-43208
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