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High severity · published Dec 4, 2023
CVE-2023-49286
Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more
7.5
CVSS
10.4%
EPSS
No
On KEV
Description
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 upgrade. There are no known workarounds for this vulnerability.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)10.4% · higher than 96% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SQ
Squid · Squid-cache
through 6.4 · source: NVD
Affected product
SQ
Squid
Squid-cache
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-49286
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-49286
Broken Link
http://www.squid-cache.org/Versions/v6/SQUID-2023_8.patch
Patch
https://github.com/squid-cache/squid/commit/6014c6648a2a54a4ecb7f952ea1163e0798f9264
Vendor Advisory
https://github.com/squid-cache/squid/security/advisories/GHSA-xggx-9329-3c27
lists.debian.org
https://lists.debian.org/debian-lts-announce/2024/01/msg00003.html
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A5QASTMCUSUEW3UOMKHZJB3FTONWSRXS/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MEV66D3PAAY6K7TWDT3WZBLCPLASFJDC/
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