CVE-2023-49288 — Use After Free in Squid

CWE-416 — Use After Free10 documents6 sources
Severity
7.5HIGHNVD
CNA8.6
EPSS
2.1%
top 15.91%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
SquidSquid-cache Squid
Timeline
PublishedDec 4
Latest updateApr 23

Description

Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Affected versions of squid are subject to a a Use-After-Free bug which can lead to a Denial of Service attack via collapsed forwarding. All versions of Squid from 3.5 up to and including 5.9 configured with "collapsed_forwarding on" are vulnerable. Configurations with "collapsed_forwarding off" or without a "collapsed_forwarding" directive are not vulnerable. This bug is fixed by Squid version 6.0.1. Users are advised to…

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages4 packages

▶Debiansquid/squid< 6.1-1+1
▶Ubuntusquid/squid< 4.10-1ubuntu1.10+1
▶NVDsquid-cache/squid3.5 — 5.9
▶CVEListV5squid-cache/squid>= 3.5, < 6.0.1

🔴Vulnerability Details

5
OSV
squid vulnerability↗2024-04-23
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OSV
squid regression↗2024-04-11
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OSV
squid vulnerabilities↗2024-04-10
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CVEList
Denial of Service in HTTP Collapsed Forwarding in Squid↗2023-12-04
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OSV
CVE-2023-49288: Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more↗2023-12-04
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📋Vendor Advisories

4
Ubuntu
Squid vulnerability↗2024-04-23
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Ubuntu
Squid vulnerabilities↗2024-04-10
▶
Red Hat
squid: Use-After-Free in the HTTP Collapsed Forwarding Feature↗2023-12-05
▶
Debian
CVE-2023-49288: squid - Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Affe...↗2023
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