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squid-cache vulnerabilities and exploits
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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
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
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
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
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
7.5
CVSSv3
CVE-2023-46724
Squid is a caching proxy for the Web. Due to an Improper Validation of Specified Index bug, Squid versions 3.3.0.1 up to and including 5.9 and 6.0 before 6.4 compiled using `--with-openssl` are vulnerable to a Denial of Service attack against SSL Certificate validation. This pro...
Squid-cache Squid
7.5
CVSSv3
CVE-2023-46728
Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to a NULL pointer dereference bug Squid is vulnerable to a Denial of Service attack against Squid's Gopher gateway. The gopher protocol is always available and enabled in Squid prior to Squid 6.0...
Squid-cache Squid
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
NA
CVE-2009-2855
The strListGetItem function in src/HttpHeaderTools.c in Squid 2.7 allows remote malicious users to cause a denial of service via a crafted auth header with certain comma delimiters that trigger an infinite loop of calls to the strcspn function.
Squid-cache Squid 2.7
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2024-33228
CVE-2024-20361
log injection
bypass
CVE-2024-4985
CVE-2024-35223
CVE-2024-29849
CVE-2024-31893
IMAP
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