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squid vulnerabilities and exploits
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4.4
CVSSv2
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
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
CVSSv2
CVE-2019-12528
An issue exists in Squid prior to 4.10. It allows a crafted FTP server to trigger disclosure of sensitive information from heap memory, such as information associated with other users' sessions or non-Squid processes.
Squid-cache Squid
Fedoraproject Fedora 30
Fedoraproject Fedora 31
Debian Debian Linux 9.0
Debian Debian Linux 10.0
Opensuse Leap 15.1
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
Canonical Ubuntu Linux 16.04
5
CVSSv2
CVE-2020-8449
An issue exists in Squid prior to 4.10. Due to incorrect input validation, it can interpret crafted HTTP requests in unexpected ways to access server resources prohibited by earlier security filters.
Squid-cache Squid
Debian Debian Linux 9.0
Debian Debian Linux 10.0
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
Opensuse Leap 15.1
Fedoraproject Fedora 30
Fedoraproject Fedora 31
7.5
CVSSv2
CVE-2020-8450
An issue exists in Squid prior to 4.10. Due to incorrect buffer management, a remote client can cause a buffer overflow in a Squid instance acting as a reverse proxy.
Squid-cache Squid
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
Opensuse Leap 15.1
Fedoraproject Fedora 30
Fedoraproject Fedora 31
Debian Debian Linux 9.0
Debian Debian Linux 10.0
5
CVSSv2
CVE-2020-8517
An issue exists in Squid prior to 4.10. Due to incorrect input validation, the NTLM authentication credentials parser in ext_lm_group_acl may write to memory outside the credentials buffer. On systems with memory access protections, this can result in the helper process being ter...
Squid-cache Squid
Opensuse Leap 15.1
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
4.4
CVSSv2
CVE-2019-18932
log.c in Squid Analysis Report Generator (sarg) up to and including 2.3.11 allows local privilege escalation. By default, it uses a fixed temporary directory /tmp/sarg. As the root user, sarg creates this directory or reuses an existing one in an insecure manner. An attacker can ...
Squid Analysis Report Generator Project Squid Analysis Report Generator
Opensuse Leap 15.1
Opensuse Backports Sle 15.0
7.5
CVSSv2
CVE-2016-1000027
Pivotal Spring Framework up to and including 5.3.16 suffers from a potential remote code execution (RCE) issue if used for Java deserialization of untrusted data. Depending on how the library is implemented within a product, this issue may or not occur, and authentication may be ...
Vmware Spring Framework
12 Github repositories
6.4
CVSSv2
CVE-2019-12523
An issue exists in Squid prior to 4.9. When handling a URN request, a corresponding HTTP request is made. This HTTP request doesn't go through the access checks that incoming HTTP requests go through. This causes all access checks to be bypassed and allows access to restrict...
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
Opensuse Leap 15.0
Debian Debian Linux 9.0
Debian Debian Linux 10.0
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
brute force
CVE-2024-24908
open redirect
CVE-2024-31497
CVE-2023-45866
CVE-2024-4135
CVE-2024-25523
cache poisoning
CVE-2024-4649
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