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squid vulnerabilities and exploits
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7.1
CVSSv2
CVE-2020-24606
Squid prior to 4.13 and 5.x prior to 5.0.4 allows a trusted peer to perform Denial of Service by consuming all available CPU cycles during handling of a crafted Cache Digest response message. This only occurs when cache_peer is used with the cache digests feature. The problem exi...
Squid-cache Squid
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 20.04
Debian Debian Linux 9.0
Debian Debian Linux 10.0
Fedoraproject Fedora 31
Fedoraproject Fedora 32
Fedoraproject Fedora 33
Opensuse Leap 15.1
Opensuse Leap 15.2
9.3
CVSSv2
CVE-2020-1504
A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user. If the current user is logg...
Microsoft Excel 2010
1 Article
4
CVSSv2
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
5
CVSSv2
CVE-2020-14058
An issue exists in Squid prior to 4.12 and 5.x prior to 5.0.3. Due to use of a potentially dangerous function, Squid and the default certificate validation helper are vulnerable to a Denial of Service when opening a TLS connection to an attacker-controlled server for HTTPS. This ...
Squid-cache Squid
Fedoraproject Fedora 31
Netapp Cloud Manager -
6.5
CVSSv2
CVE-2020-15049
An issue exists in http/ContentLengthInterpreter.cc in Squid prior to 4.12 and 5.x prior to 5.0.3. A Request Smuggling and Poisoning attack can succeed against the HTTP cache. The client sends an HTTP request with a Content-Length header containing "+\ "-" or an un...
Squid-cache Squid 2.7
Squid-cache Squid
Fedoraproject Fedora 31
3.3
CVSSv2
CVE-2020-13135
D-Link DSP-W215 1.26b03 devices allow information disclosure by intercepting messages on the local network, as demonstrated by a Squid Proxy.
Dlink Dsp-w215 Firmware 1.26b03
7.5
CVSSv2
CVE-2020-11945
An issue exists in Squid prior to 5.0.2. A remote attacker can replay a sniffed Digest Authentication nonce to gain access to resources that are otherwise forbidden. This occurs because the attacker can overflow the nonce reference counter (a short integer). Remote code execution...
Squid-cache Squid
Debian Debian Linux 9.0
Debian Debian Linux 10.0
Opensuse Leap 15.1
Fedoraproject Fedora 30
Fedoraproject Fedora 31
Fedoraproject Fedora 32
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
Canonical Ubuntu Linux 20.04
5
CVSSv2
CVE-2019-12520
An issue exists in Squid up to and including 4.7 and 5. When receiving a request, Squid checks its cache to see if it can serve up a response. It does this by making a MD5 hash of the absolute URL of the request. If found, it servers the request. The absolute URL can include the ...
Squid-cache Squid
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Debian Debian Linux 9.0
Debian Debian Linux 10.0
7.5
CVSSv2
CVE-2019-12519
An issue exists in Squid up to and including 4.7. When handling the tag esi:when when ESI is enabled, Squid calls ESIExpression::Evaluate. This function uses a fixed stack buffer to hold the expression while it's being evaluated. When processing the expression, it could eith...
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
Canonical Ubuntu Linux 20.04
Opensuse Leap 15.1
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
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
blind SQL injection
CVE-2006-4304
CVE-2023-26603
CVE-2024-28327
CVE-2023-50363
CVE-2024-21905
template injection
CVE-2024-3400
cross-site request forgery
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